March 17, 2025
What is the best email client for Outlook? Our top 6 picks
Looking for the best email client for Outlook? We compare the top 6 Outlook alternatives based on collaboration, AI features, security, and pricing. Find the best option for teams and individuals.
Email is the medium of business. It’s how requests, deals, and hires get started and made.
Most businesses live in their inbox, whether they like it or not. And that inbox is likely an Outlook inbox — over 3.7 million companies use Microsoft Outlook for email management.
Two main reasons for that:
However, like Word or Excel, Outlook was built mostly for enterprise solo use. It wasn’t built for collaboration, even as the world of business and email moved toward needing more of it.
In 2026, several tools meet the security and control standards of Outlook while offering more powerful inbox collaboration and coordination features suited for modern teams.
We’ll cover what to look for in an Outlook email client, introduce the six most popular third-party options, and break down their key differences.
All options have desktop and mobile email apps and support IMAP, MAPI, and POP3.
We’ve also covered a range of price points, including free email clients.
| Email Client | Best For | Collaboration Features | AI Features | Security & Compliance | Pricing |
|---|---|---|---|---|---|
| Missive | Teams needing shared inboxes | Shared inbox, @mentions, assignments | AI email routing & automation | SOC 2 Type II, GDPR compliant | From $14/user/month |
| Thunderbird | Open-source enthusiasts | Limited (via add-ons) | AI-powered add-ons | Basic security, no external audits | Free |
| Mailbird | Managing multiple email accounts | None | Basic AI email drafting | GDPR compliant, no external audits | Free / $4.99/month / One-time $99.75 |
| eM Client | Powerful search & customization | Shared folders & calendars | Basic AI email drafting | GDPR compliant | From $39.95/year or one-time $188.95 |
| Apple Mail | Mac users wanting a simple inbox | None | None | Apple’s built-in security | Free |
| Superhuman | AI-powered productivity | @mentions in Team Comments | AI search & email drafting | SOC 2 Type II, ISO 27001 | $25/user/month |
Missive is a collaborative inbox for teams that run on email. It’s built with collaboration as a priority, featuring contextual in-email chat using @mentions, which eliminates the need for forwarding.
You can assign or watch emails, and every action is logged, giving you visibility into who did what and when.
Missive supports all email providers (Outlook, Gmail, Yahoo, Apple Mail) and you can have multiple accounts (personal and business) in the same interface.
Under the hood, Missive has a powerful automation engine. You can:
From a security perspective, Missive meets the same standard as Outlook. SOC 2 Type II report, encryption of data at rest and in transit, GDPR compliant.
Pricing starts at $14/user/month on an annual plan.
One thing to note: if you use folders in Outlook, they’re called labels in Missive.
In the same way some teams prefer Google Docs to Word for its collaboration features (commenting, multi-player drafting), you may prefer Missive to Outlook if you find yourself hitting Reply All and Forward all the time.

Thunderbird stands out as the only open-source email client on this list.
It’s a community-driven, free email client that’s been around for nearly two decades. With a thriving online community and an ecosystem of 1200+ add-ons (including AI-powered ones for drafting replies), it’s considered one of the best email apps for users who prioritize a free, open-source option.
If you’re looking for more collaboration functionality, Thunderbird’s collaboration features come mostly from third-party add-ons: things like mail merging and adding notes/comments to emails. Workable, but likely unreliable given the nature of third-party connections.
From an organization perspective, Thunderbird calls their version of “folders” tags. Functionally, they’re the same.
Thunderbird is privacy-forward with built-in filters for phishing/spam and remote image blocking. It doesn’t have SOC or ISO compliance certifications, because of its free and open-source nature.

Mailbird is for those who have too many email accounts. It’s known for its unified inbox, where you can flow multiple accounts into the same consolidated inbox view.
Mailbird doesn’t offer features related to collaboration or coordination. It’s a productivity improvement for Outlook power users who want to integrate popular apps into their email workflow and see all emails in one place.
From an AI perspective, Mailbird offers simple AI drafting through ChatGPT.
Of all the Outlook alternatives on this list, Mailbird has the most similar user experience to Outlook, including naming conventions (folders are folders, not labels or tags).
For security and compliance, Mailbird is GDPR compliant and does not have any external audits or certifications.
For pricing, Mailbird has a free version and a premium version at $4.99/user/month. There’s also a one-time payment option to buy the product outright at $49.50 (standard) or $99.75 (premium).
If you manage multiple Outlook accounts and need a unified inbox for all your emails, Mailbird might be a good fit.

eM Client is similar to Mailbird. Most of its features are productivity-focused for individuals: shortcuts, watch/snooze, configurable layout.
The most unique and powerful feature in eM Client is its search. It covers all messages in your inbox and can also search within certain types of attached files (PDFs, Word docs, etc.).
On the collaboration front, it doesn’t have much beyond the ability to share folders (aka labels), calendars, and accounts.
Like Mailbird, eM Client offers basic AI drafting to help with typos and tone in replies.
On security and compliance, eM Client is GDPR compliant (though possibly outdated with 2018 references) and doesn’t have any external audits or certifications.
For pricing, eM Client has a sharp distinction between personal and business plans. There’s a free plan for non-commercial use, and paid plans are available as annual subscriptions or one-time payments.
The personal plan (without AI features) is $39.95/year or $49.95 one-time.
The business plan (with AI features) is $49.95/year or $188.95 one-time.
Both one-time payment options don’t include future feature updates. You can purchase lifetime upgrades separately at $90 per license.
If you’re looking for a slightly more productive version of Outlook and you want a free email app because you’re not using it for commercial purposes, eM Client might be a good option.

If you’re a Mac user and you really don’t want to download another email client, does the default mail app from Apple work well for Outlook?
Well, compared to Thunderbird, Mailbird, and eM Client, Apple Mail isn’t going to give you any increased functionality.
If you use Apple Mail as your Outlook email client, you won’t have the integrated calendar or task management, and you’ll have to remember that folders are “labels” in Apple Mail.
The good news is that Apple Mail can support multiple accounts from multiple providers (via IMAP and SMTP standards), so if you have a Gmail account and an Outlook account that you’d like to unify into one well-designed, simple inbox, Apple Mail can do that.
If you want a free email client with a cleaner design than Outlook and don’t require advanced features, Apple Mail might be your best option.

When Superhuman first launched, it was solely focused on Gmail and Google email users. As of May 2022, it also supports Outlook users.
From a user interface perspective, Superhuman is the most distinct on this list. It looks nothing like an Outlook inbox, so if familiarity is a requirement, this might not be a good fit.
Superhuman offers several AI-powered features, the most notable being its ability to answer questions about your inbox.
Instead of traditional search (even as powerful as eM Client’s), you can ask your inbox direct questions. Instead of needing to remember a file’s name to look for a specific piece of information, you could ask: “What was the price that John from ACME quoted me?”
On the collaboration front, Superhuman offers the ability to @mention coworkers through Team Comments.
From a security and compliance perspective, it’s SOC 2 Type II, ISO 27001, CCPA, and GDPR compliant.
For pricing, Superhuman is on the higher end of this list, starting at $25/user/month on an annual plan.

To summarize our options for the best email client for Outlook users, we sorted them into two categories:
Hopefully this has been a helpful overview of the types of email clients out there for Outlook users. If you’re interested in Missive, continue on and we’ll get into some tactical information.
Stephanie at Lighting Dynamics, manages 100+ email quotes a day. Her team used to use Outlook for email management:
With traditional Outlook forwarding, once an email was out of the shared inbox, there was no visibility. We never knew if it had been handled. It was chaotic.
And now, with Missive: “Missive checked all our boxes. It was a huge relief to see we could maintain the shared inbox model — without building custom software from scratch.”
Or Kason, from i-SOLIDS, who grew his sales team beyond himself:
We got to a point where we weren’t providing the same level of communication, response, and service that allowed us to get to this point. We were relying on Outlook email and it was like ‘are you responding to that or am I?’
And after a month with Missive, Kason recommends: “Don’t think about just choosing a tool for today but this tool needs to work for scale too — that’s a major decision factor.”


Get a detailed walk-through of how to configure Outlook to Missive, including terminology differences to help you get acclimated to your new inbox.
Like most things, it depends. If you’re a team that lives in their inbox day in and day out, and you’re looking for a collaboration-first inbox, give Missive a try.
March 13, 2025
Autopilot for Your Inbox with AI Rules
Revolutionize your inbox with Missive's AI Rules, where artificial intelligence meets your workflow to automatically sort, respond, and organize emails based on what they actually contain.
We've all been there. You open your inbox on Monday morning and face an avalanche of messages. Some need immediate attention. Others could wait. Many should be handled by different team members. And a surprising number don't need any response at all. While Missive's rule engine has always given you the flexibility to automate your workflow exactly how you want it, today we're taking that customization power to a whole new level.
What if your inbox could sort itself? What if it could understand what each email is about and take the right action automatically—all while you maintain complete control over how it behaves? What if you could define exactly how your emails are processed, based not just on who sent them, but on what they actually contain?

Today, we're launching AI Rules in Missive - a simple way to bring the intelligence of AI to your email workflow without the complexity. It's the same flexible rule engine you love, now with the power to understand email content the way you do.
AI Rules are an extension of Missive's existing rules engine. If you've used rules before, you know they're powerful for automating repetitive tasks based on simple conditions like sender address or subject line keywords.
Now, we're adding the ability to use AI to understand what an email is actually about.
Here's how it works:
No training data. No complicated setup. Just plain language instructions that the AI follows.
Let's look at some practical ways teams are already using AI Rules during our beta:
- A ⛑️ customer service team set up a rule that using this prompt:
Is this customer angry or upset? Respond with ONLY "YES" or "NO".
If the AI says YES, the email gets flagged as high priority and assigned to a senior agent.

- A 📈 sales team created a rule with this prompt:
Is this a qualified sales lead or just a general inquiry? Respond with ONLY ONE of these exact words: "sales lead" or "general inquiry".
Leads go straight to the sales pipeline, while general questions route to the support team. Their sales reps now spend more time selling and less time triaging emails.

- A ⚖️ legal firm uses AI to detect if an email contains a deadline or time-sensitive request.
Does this email contain a deadline, due date, or time-sensitive request? Respond with ONLY "YES" or "NO".
If it does, it gets tagged "Urgent" and triggers a notification and creates tasks. They haven't missed a filing deadline since.

The best part? These teams didn't need to become AI experts. They just wrote simple instructions in plain English.
One of the most powerful features of AI Rules is the ability to use the same prompt across multiple rules. This lets you create sophisticated email triage systems without duplicating your AI analysis costs.
For example, you could recreate Gmail's smart categories with more flexibility and control.
First, create a prompt that categorizes emails:
Analyze this email and respond with EXACTLY ONE of these categories:
"SOCIAL" - for messages from social networks, dating sites, etc.
"PROMOTIONS" - for marketing emails, offers, discounts, newsletters
"UPDATES" - for notifications, confirmations, receipts, statements
Then create separate rules, all using this exact same prompt but with different matching conditions:


The beauty of this approach is that the AI only analyzes each email once, even though you have six different rules. The result is cached and reused across all rules, making this both efficient and cost-effective.
And unlike Gmail's fixed categories, you have complete control over:
This is just one example of how you can use AI Rules to create a customized workflow that fits exactly how you and your team want to work.
We've built four powerful AI capabilities into Missive:
As shown above, use AI to analyze email content and make decisions. The AI can detect sentiment, identify request types, or extract specific information that would be difficult to capture with traditional keyword rules.
For example: "Is this customer angry?" or "Does this email contain a deadline?"
Have the AI create a helpful note about an email. The AI can summarize long threads, extract key points, translate emails or provide context for your team.
e.g.
Translate the email to English.

Let the AI identify action items in emails and automatically create tasks. No more manually creating to-dos from your messages. For example:
Extract any tasks or action items from this email and create a task for each one.

Automatically create response drafts for common inquiries. The AI can craft a personalized reply based on the email content, which you can review and send with a click:
Create a helpful response to this customer inquiry about our pricing plans.
The above draft example could be paired with an AI condition that makes sure the email is about billing!

We've worked hard to make AI Rules approachable. You don't need to be a prompt engineer or AI expert to get value from day one. The system uses gpt-4o-mini, which offers an excellent balance of speed, cost-effectiveness, and quality for email processing.
We understand that email contains sensitive information. That's why:
For years, we've been building tools to help teams manage email more efficiently. Rules have always been at the heart of that mission - letting you automate the repetitive stuff so you can focus on the work that matters.
AI Rules take that automation to a new level. Now your inbox doesn't just sort emails based on simple patterns - it understands what they're about and what needs to happen next.
This isn't about replacing human judgment. It's about removing the tedious parts of email management so your team can focus on what humans do best: building relationships, solving complex problems, and delivering value to your customers.
AI Rules are available today for all Missive users on the Productive plan and above. Give them a try, and let us know what you think.
Your inbox will thank you.
Want to learn more about AI Rules? Check out these helpful resources:
February 3, 2025
Tasks in Missive: Your Inbox is Now Your Command Center
Our inbox is where work happens. It's where decisions get made. Where commitments are born. And let's be honest - it's what most of us use as a to do list.
Our inbox is where work happens. It's where decisions get made. Where commitments are born. And let's be honest - it's what most of us use as a to do list.
We've spent 10 years at Missive transforming email from a lonely slog into a team sport. But after hundreds of conversations with customers, we realized something obvious:
Instead of fighting how people naturally work, why not make their inbox exceptional at what they're already using it for?
Let's be real - we know the whole "inbox zero" thing is a myth, and that treating your inbox as a pure to-do list has its problems. But here's the thing: people are going to use their inbox to track work, whether we like it or not. So instead of preaching about the "right way" to work, we decided to give you tools that improve the way you already work.
We're putting tasks where they belong - right inside your inbox. But we're doing it thoughtfully.

Now you can prioritize what matters, collaborate effectively, and keep your team in sync - all without leaving your inbox. No more scattered tools. No more lost context. No more wondering who's working on what.
Your inbox is finally becoming what it should have been all along: A clear, organized command center where email and tasks blend seamlessly, exactly where you already are.
This isn't about building another "everything app" or asking you to change how you work. It's about making your inbox better at what you're already using it for. We know that might sound contradictory, adding features while claiming simplicity, but we've been ruthless about only adding what matters.
Everything else? We left it out.
The goal isn't to make your inbox do everything. The goal is to make it do the things you're already using it for, exceptionally well.
Now, let's walk through what's changing and how it makes your work life smoother.
We've completely re-imagined how tasks work in Missive.
You'll now find dedicated views that brings together all your tasks in one place, everything's organized in a single view. And the best part? Tasks now come with assignment, rich-text descriptions, and due dates that automatically sync to your calendar.
To keep everyone aligned, we've introduced a new 'In progress' intermediate status; watch your work progress naturally from "To do" to "In progress" to "Closed" — giving your whole team clear visibility into what's moving forward.

The "Assigned to me" and "Assigned to others" mailboxes have morphed into the Task views. The new Tasks view shows everything assigned to you across all your teams and organizations, while Team Tasks gives you a focused view of what's happening in specific teams.
Want to customize your view? Use filters to zero in on exactly what you need - like seeing only tasks for specific team members or projects. You can even pin your favorite filtered views to your sidebar for quick access. And when you need to check the conversation that sparked a task, just click the conversation pill to jump right to it.
We are also introducing teams spaces, a new way to organize your teams. Every team has now a dedicated space in the sidebar, and every member will see the right elements depending on their role in the team.
In each team space, you will find the team inbox, the team chat and the newly introduced team tasks view. You can always disable the team chat or the team inbox for a specific team in the team settings.
The team inbox, under the team space, can still be expanded to reveal the Closed, Sent and All mailboxes.
When working from a team inbox, as soon as you click reply, the conversation will be turned into an 'In progress' task, assigned to you. And when you're done with the draft, you can just hit 'Send & Close' and the task will be automatically closed.
Some companies will use these team spaces as traditional teams (support, design, etc), and others will use it as dedicated client spaces — with one team space per client. How you decide to use it is entirely up to your business.

If you have a checklist that your team goes through all the time, you can automate the whole thing with the new Create Task rule action. No more manual task creation.
Here's what I mean: Let's say every new client needs five things done — review their needs, check what you have in stock, work up pricing, draft a proposal, and get the thumbs up from your manager.
Instead of creating these tasks by hand every single time, just set up a rule.
Now when an email comes in with "New Client" in the subject (or when someone drops a #newclient tag in the conversation), boom - all five tasks get created automatically, assigned to the right people, with the right due dates. Simple, automatic, and nothing gets missed.

This is just the beginning. We're committed to making Missive the best place for teams to work together, and we have more exciting updates planned.
Your feedback has been invaluable in shaping these improvements, and we can't wait to hear what you think about the new tasks experience.
The best part? All these new features are available in every Missive plan. No upgrades needed.
Want to learn more about tasks in Missive? Check out our help guide for detailed information on how to make the most of these new features.
If you feel uncertain about the new tasks experience, and have any questions, we're here to help. We have 4 webinars scheduled in the next 2 weeks, and we'll be covering everything you need to know about tasks in Missive. Book a seat now using this link and we'll see you there!
Oh, one more thing, we gave Missive a fresh coat of paint too! We hope you like it.✨
January 14, 2025
Email Management Best Practices: How to Master Your Inbox
Say goodbye to email overwhelm with the top email management best practices for work. Take back control of your inbox with quick wins, daily habits, and team systems.
How Long Do You Spend on Emails Every Day at Work?
If you're like most professionals, the answer is: too long. From communicating with colleagues and clients to managing projects and deadlines, email remains the backbone of business communication. But as inboxes grow, so does the challenge of managing them without losing hours—or your sanity.
According to a study by McKinsey & Company, the average worker spends nearly a third of their workweek on email-related tasks. 🤯

For managers and executives, that number climbs even higher. The problem isn't email itself—it's the lack of a system for handling it. Without a deliberate approach, your inbox becomes a graveyard of half-finished tasks, buried priorities, and mounting anxiety.
This guide covers practical, proven email management best practices—from five-minute quick wins you can implement today to team-wide systems that scale as your organization grows. Whether you're an individual contributor drowning in unread messages or a team lead trying to bring order to shared inboxes, you'll find a framework that fits.
This isn't a beginner's introduction to email. If you're reading this, you already know email is a problem. You've probably tried folders, maybe filters, but nothing has stuck. This guide is built for:
The practices below are organized in tiers: start with Quick Wins, build Daily Habits, set up Organization Systems, and then tackle Team Email Management and Automation. You don't have to overhaul everything at once—pick the tier that matches where you are right now.
Before diving into specific practices, internalize this simple framework. Every email you open gets one of three treatments:
| Action | Criteria |
|---|---|
| Delete/Archive | No further action required or purely for reference. |
| Reply | The response takes less than 2 minutes. |
| Defer/Task | Requires deep work or a longer response time. |
This keeps your inbox from becoming a cluttered mess of unfinished business and gives you a clear decision path for every email you open.
These are the lowest-effort, highest-impact changes you can make right now. No new tools required—just a few minutes of deliberate action.
Unsubscribing from newsletters and promotional emails that are no longer relevant is one of the simplest ways to reduce email clutter. With fewer unnecessary emails landing in your inbox, you'll spend less time sorting and more time on messages that actually matter.
Spend five minutes right now scrolling through your inbox and hitting "unsubscribe" on anything you haven't read in the last month. This single action can cut your daily email volume significantly.
Being bombarded by a constant flow of notifications hinders your focus and productivity. Let's be honest—do you really need to take action on every email the moment it arrives? Probably not.
Turn off email notifications entirely, or at least disable them during focused work periods. You can use rules to keep notifications enabled only for specific senders or subject lines that genuinely require immediate attention. The result: fewer distractions, more deep work.
Most email clients offer starring or flagging features that take seconds to use but make a real difference. When scanning your inbox, flag emails that need a response or follow-up. This creates a simple visual system so important messages don't get buried beneath newsletters and FYI threads.
Think of stars and flags as your inbox's "short list"—a quick-glance way to know what still needs your attention without re-reading subject lines.
Quick wins reduce the noise. These habits change how you interact with email on a daily basis—they're the behavioral shifts that make everything else work.
One of the most effective changes you can make is to stop checking email reactively and start processing it in batches. Set aside dedicated blocks—for example, 30 minutes in the morning and 30 minutes in the afternoon—to work through your inbox deliberately.
It's also important to avoid checking your email first thing in the morning. When you check email as soon as you wake up, you immediately get caught up in other people's priorities rather than focusing on your own goals. Instead, begin your day with a proactive task like exercise, planning, or deep work—then turn to email on your terms.
By batching email time, you protect your focus while still being responsive within a reasonable window.
The Two-Minute Rule, borrowed from David Allen's Getting Things Done methodology, is simple: if an email can be addressed in two minutes or less, handle it immediately. Don't flag it, don't defer it—just do it.
For emails that require more time, schedule a specific block to address them later. Labels can be useful for categorizing these deferred emails so your inbox stays tidy while nothing gets forgotten.
The "touch it once" principle complements the Two-Minute Rule: when you open an email, take action on it right away. That action might be replying, delegating, archiving, or deferring with a snooze—but the key is to never just read an email and leave it sitting there.
By adopting this principle, you reduce the need to re-read and re-process the same messages multiple times, which saves significant time over the course of a week.
Not every email needs attention right now, but that doesn't mean it should be forgotten. The snooze feature temporarily removes an email from your inbox and brings it back at a time you choose—tomorrow morning, next Monday, or whenever you'll actually be ready to handle it.
Snoozing is especially useful for emails that are blocked by someone else's input, reminders you'll need later in the week, or follow-ups that aren't due yet. It keeps your inbox clean without losing track of anything.
While it can be tempting to tackle multiple emails at once, multitasking is counterproductive. Studies consistently show that switching between tasks reduces productivity and increases errors.
Instead of juggling multiple threads, focus on one email at a time during your dedicated email blocks. Give each message the attention it deserves, take the appropriate action, and move on. You'll work faster and make fewer mistakes.
Once your daily habits are in place, these systems help you find, sort, and manage email at scale. They're the structural backbone of a well-managed inbox.

Labels and folders are foundational tools for keeping your inbox organized. Here are the most practical ways to use them:
The key is to use labels and folders in a way that suits your specific workflow. A simple, consistent system beats an elaborate one you won't maintain.
Rules and filters automate what you'd otherwise do manually—sorting, labeling, and prioritizing incoming mail. Here's a simple framework:
Rules can also perform automatic actions beyond sorting—like auto-archiving low-priority notifications or assigning conversations to specific team members. You can find ideas for creating rules in Missive's rules and templates feature.
Two of the most popular email management frameworks are Inbox Zero and the 4D Method. Rather than prescribing one, here's how they compare so you can choose what fits your style.
Inbox Zero
The inbox zero method focuses on processing every email until your inbox is empty. It follows four basic steps:

Inbox Zero works well for people who find visual clutter stressful and who process email in dedicated batches. The empty inbox serves as a clear signal that everything has been handled.
The 4D Method
The 4D Method is a rapid triage system. For each email, you choose one of four actions:
The 4D Method suits people who prefer speed over completeness—it's about making a quick decision on every email rather than achieving an empty inbox.
Both methods work. The important thing is picking one and applying it consistently. You can even combine elements: use 4D triage during your email blocks, and aim for Inbox Zero at the end of each day.
Most email management advice focuses on individuals, but in reality, email is a team sport. Dropped balls, duplicate replies, and endless forwarding chains are team problems that require team solutions.

A shared inbox is the foundation of effective team email management. Rather than forwarding messages between teammates or CC'ing half the company, a shared inbox gives everyone access to the same conversations in one place.
With a shared inbox, team members can see who's handling what, assign conversations to specific people, maintain full transparency about customer interactions, and reduce the time spent managing individual inboxes. For example, in Missive, your team can see exactly who's working on a conversation without a single forwarded message.
A shared inbox only works when ownership is clear. Assign incoming conversations to specific team members so nothing sits in limbo. This creates accountability: everyone knows what they're responsible for, and managers can quickly see if anything is falling behind.
Establish a triage routine—perhaps a morning check where a designated person reviews new messages and assigns them. This prevents the "I thought you were handling it" problem that plagues teams relying on forwarded emails.
Email forwarding creates fragmented threads, lost context, and confusion about who said what. Instead of forwarding, use internal chat or comments that live alongside the email conversation. In Missive, you can discuss an email in a sidebar chat that stays attached to the original message—so the full context is always visible to the team without cluttering the customer-facing thread.
This single change can dramatically reduce internal email volume and eliminate the "forwarding chains" that eat up so much time.
When multiple team members are replying to similar inquiries, consistency matters. Canned responses—pre-written templates for common scenarios—ensure every customer gets an accurate, on-brand reply regardless of who's handling the conversation.
Some email tools like Missive allow you to customize canned responses with variables to personalize each message automatically. Shared templates mean everyone sends consistent, detailed replies without writing the same email from scratch every time.
When a conversation shifts to a new topic, start a new email thread. Replying to an existing thread about a different subject creates confusion and makes it harder to find information later.
When starting a new thread, include a descriptive subject line that accurately reflects the content. This helps recipients understand context and prioritize the message. It also keeps your team's shared inbox organized and searchable.
As your team's email practices mature, write them down. Document how conversations should be triaged, what templates exist, when to escalate, and how assignments work. This is especially valuable when onboarding new team members—instead of shadowing someone for a week, they can reference a clear playbook.
Process documentation also helps identify bottlenecks. If you can see the workflow on paper, you can spot where things slow down and make targeted improvements.
Once you have solid habits and systems in place, automation amplifies them. The goal isn't to automate everything—it's to automate the repetitive, low-judgment tasks so you can focus on the messages that actually need a human.
Start simple. Rules can automatically label incoming emails, move newsletters to a "Read Later" folder, assign customer inquiries to the right team member, or archive notifications that don't require action. Each rule you create eliminates a small, repeated manual step—and those steps add up quickly.
You can find practical ideas for creating rules in Missive's rules and templates feature.

Beyond basic rules, AI email assistants can understand conversation context and help you work faster. With the OpenAI integration in Missive, for instance, you can generate draft replies, summarize long threads, and translate messages—all without leaving your inbox.
AI is particularly useful for high-volume inboxes where the same types of questions come in repeatedly. It doesn't replace human judgment, but it handles the first draft so you can focus on editing rather than writing from scratch.
Automation works best for predictable, repetitive patterns: sorting newsletters, labeling by sender, auto-assigning based on subject line keywords. It struggles with nuance—emotional customer complaints, complex multi-stakeholder threads, or situations that require reading between the lines.
A good rule of thumb: automate the triage, but keep a human on the response. And review your automation rules regularly. An outdated rule can quietly route important messages to the wrong place for weeks before anyone notices.
The right tools make these practices easier to adopt and maintain. Rather than listing dozens of options, here's what to look for:

An email management software like Missive combines all of these capabilities in one place. If you're a Gmail user, you might also want to explore the best email clients for Gmail.
No email system is perfect, and it's worth being honest about where common advice breaks down:
The best email management system is the one you'll actually use. Start simple, iterate based on what's working, and don't let the pursuit of the perfect system keep you from making progress.
Effective email management isn't about finding one magic trick—it's about building layers of good habits, smart organization, and the right tools. Start with the Quick Wins to reduce noise, adopt Daily Habits to change how you process email, build Organization Systems to keep everything findable, and implement Team practices when you're ready to scale.
Remember: you don't have to do everything at once. Pick one tier, get comfortable, and then move to the next. Over time, these practices compound into a workflow that keeps your inbox under control and your focus where it belongs—on the work that actually matters.
Inbox Zero aims for a completely empty inbox by processing every message through unsubscribing, organizing, filtering, and acting. The 4D Method is a rapid triage approach—for each email, you Delete, Delegate, Do, or Defer. Inbox Zero is a destination; 4D is a decision-making tool. Many people combine both: use 4D triage during email blocks and aim for Inbox Zero at end of day.
For most people, the initial cleanup takes one to three hours depending on how many unread messages you have. The key is to be ruthless: mass-archive anything older than 30 days that you haven't acted on, unsubscribe aggressively, and set up basic filters. After the first pass, maintaining Inbox Zero typically takes just 15–30 minutes per day.
Yes. Personal email management is about individual habits—batching, labeling, and triage. Team email requires shared systems: a shared inbox, clear assignment rules, canned responses for consistency, and process documentation. The individual practices still apply, but they need to be layered on top of team infrastructure to prevent duplicate replies, dropped conversations, and forwarding chaos.
Start small. Pick one or two practices—like a shared inbox and a triage routine—and pilot them with a small group. Show measurable results (faster response times, fewer dropped emails) before expanding. Avoid mandating a complete workflow overhaul; instead, demonstrate how the new approach makes people's jobs easier. Document the process so new team members can onboard quickly.
November 28, 2024
The 10 Best Email Client Apps for Gmail for Every Use Case
The best email clients for individuals and teams by use case. Including benefits, features, and pricing.
1.8 billion users.
121 billion emails — per day.
Gmail dwarfs most popular email clients.
Still, reading emails in a browser tab feels… clunky?
Don't get me wrong: I've been a Gmail user for years and I love it.
But I've found dedicated desktop email apps offer far more email productivity & customization.
Despite its dominance, Google hasn't released an official desktop version of its email service. So users like you and I keep asking:
What are the best email apps for Gmail?
When I wrote the first version of this article, years ago, my mission was simple:
👉 Find the best email client to supercharge my personal productivity and facilitate team collaboration.
I needed something to simplify my email workflows AND give my team better tools — for clear communication and project management.The search led me to try dozens of apps, judging them on criteria like ease of use, customizability, collaboration, and productivity.
I've kept that original mission in mind while thoroughly re-evaluating and testing the latest offerings.This updated comparison includes a wide range of email clients. Some excel at personal email triage, others at conversational experience. Many boast team collaboration features.Let's dig in and find your optimal email client for Gmail.
My evaluation focused on key criteria that savvy users care about, based on personal usage and discussions in online communities like Reddit.
These factors included:
I prioritized email apps with clear signs of ongoing development. All the Gmail email clients on the list support OAuth, as it's the recommended way to connect your Gmail account to an email client according to Google. It will be the only supported way starting in Fall 2024.
For macOS, the top contenders are Apple's stock Mail app and the Gmail optimizer, Mimestream.
I know, most of you are probably screaming at your screen that Apple Mail made the cut, but hear me out — it has an incredible number of useful features for Gmail users.

Apple Mail offers robust custom filters, smart mailbox views, and notification control. It also provides AI-powered search assist, automated unsubscribe detection, send later scheduling, and built-in privacy tools. The user-friendly interface, system-level integration, and regular updates keep it feeling fresh. Best of all, it comes pre-installed with all Mac, so no need to download or update new software.
Free.
If you're married to the Gmail interface, but you just need a little more power under the hood, Gmelius might be a good fit. It seamlessly integrates powerful team collaboration and productivity features directly into the interface you already know and love.

Gmelius excels at shared inbox management, turning what would normally be chaotic team email coordination into organized collaboration. Teams can assign emails to specific members, add internal notes with @mentions, and track conversations through Kanban boards, all without leaving Gmail. And with their new AI features, you can use AI to help you sort and draft emails.
Starts at $24 per user per month, when billed annually.
For Windows, Microsoft Outlook has long been the standard for email due to its ease of use, powerful search capabilities, and tight Office integration. And it's still on top for the same reasons (especially with a Microsoft 365 account). There's also a full-fledged integrated calendar, eliminating the need to switch between windows to manage your day.
And if you're not an Apple user, Outlook is probably one of the best Android email clients out there.

Unfortunately, the latest Outlook release has been controversial. Microsoft has removed functionality like import/export tools and system tray access that power users loved in previous versions by shifting to essentially becoming a desktop clone of the web app. Shared mailbox management and capabilities like viewing favorite folders have also suffered. Some Reddit users find the web version performs better, but the general consensus is that the new desktop Outlook feels like a downgrade.
Free with ads, or starting at $1.99 per month for the ad-free version.
Email clients designed with teams and productivity in mind offer major advantages over individual email management tools — especially for businesses.

Based on my latest research, core business needs around email are:
No other email client meets those needs better than Missive.
Missive has been a game-changer for my team's productivity and communication. It's a unified inbox that combines all our accounts into one app, while also offering shared inboxes — the multiplayer mode for email. The collaboration features like shared draft editing with @mentions, internal chat, and one-click assignments.
Shared labels, advanced rules, mobile apps, calendar sync, and a growing library of integrations make Missive a powerful software to consume your business' Gmail accounts. Management tools like email templates, send later scheduling, snoozing, and follow-up reminders help each of us personally optimize our individual email processes. Missive also excels at email delegation with team members or virtual assistants.
However, according to some Reddit users — Missive is not perfect.
People have shared a learning curve, lack some granular customization, no email tracking, and advanced collaboration features locked behind paid tiers. But in my experience, no other client matches Missive's intuitive yet powerful blend of personal email management and team communication.
Missive's pricing is competitive compared to other Gmail email clients—especially for small businesses that want to collaborate around emails.
Free plan available and starting at $18 per month per user for advanced features.
For those seeking a free, open-source, and community-driven email client, Thunderbird has made a name for itself. This cross-platform app has evolved a lot over the years with great features like tabbed email viewing, robust custom search tools, and built-in phishing/spam filtering.

Starting is easy with simplified account setup wizards and friendly reminders. Then, customization begins with custom themes, smart foldering, advanced filtering, and extending functionality through add-ons.
Thunderbird's uniqueness lies in its built-in privacy tools like remote image blocking and organization of emails into dedicated "Message Archive" locations outside your inbox. No complex rules needed. The tabbed interface with quick filters also makes email triage fast compared to a standard chronological view.
An open-sourced, Outlook alternative, for those looking for an Android email app.
Free.
If customization is your #1 priority in an email client, eM Client should be at the top of your list to test. This app takes a unique approach by bundling standard email/calendar/tasks management with note-taking.

eM Client lets you tweak things like instantaneous translation of messages, watchlist notifications for contact interactions, advanced attachment search filters, and a library of templates/text snippets.
You can also customize the toolbar layout. For enterprise users, eM Client includes admin deployment tools and integrations.
The flexibility can be both an advantage and a disadvantage, as eM Client can feel overwhelming with so much to configure, especially if you're coming from a simpler app.
But if you love customizing apps, eM Client is worth considering.
Free for non-commercial use and starting at $59.95 for commercial use.
While the other clients on the list all use the traditional inbox management concepts to varying degrees, Spike goes a step further by completely reinventing email for individual productivity and team collaboration.

While not for everyone, it's taking its inspiration from chat apps and social media to transform email into an infinitely scrolling feed of conversational "channels". These are organized around contacts and teams instead of the typical chrono-threaded approach.
This different experience lets you chat and share assets like notes, documents, and voice clips in your inbox. It includes features like automating message tone, video calls, and AI prioritization based on relationship context instead of subject lines and sender aliases.
Spike maintains core functions like account unification and calendar support. But its conversation-centric design can be hard to get used to.
Free plan available, starting at $5 per month per user for advanced features.
In the personal productivity front, Superhuman takes a traditional approach with an email interface optimized for speed and efficiency. It adds depth through an AI engine that powers automated split inboxes for VIPs and service emails, intelligent follow-up reminders, social insights about contacts, and error correction.

Superhuman isn't cheap at $30/month, but the premium delivers an unmatched experience that feels like a personal productivity force multiplier.
Starting at $30 per month.
For those who live on their mobile devices and want an extra AI-powered assist for email management on mobile devices. It automatically prioritizes messages, provides AI-written summaries, and generates email drafts based on voice prompts or sentiment reactions.

These AI integrations improve mobile email management, bridging the context and functionality gap compared to desktop experiences.
Its freemium model with premium tiers offers a compelling way to enhance mobile email through intelligent optimization and AI assistance.
Free plan available, starting at $49 per year for advanced features.
If you manage multiple Gmail accounts alongside other email providers and want everything in one clean desktop app, Mailbird is worth a look. It's built around the idea of a unified inbox that also doubles as a hub for your favorite productivity tools — connecting with 30+ apps like Google Calendar, Slack, Asana, Trello, and Dropbox.
Where Mailbird differentiates itself is in how much you can tailor the interface to your workflow. You can customize the layout, use features like email snoozing, tracking, and an AI writing assistant, all while keeping things lightweight compared to heavier clients like Outlook. If you're someone who's looking for the best email client for Windows and wants something fast with lots of integrations, Mailbird delivers on that front.
That said, Mailbird is primarily designed for individual email management. It doesn't offer team collaboration features like shared inboxes, internal chat, or email assignments. And the free plan is limited to a single email account per device, so you'll likely need a paid plan to get the most out of it.
Free plan available. Premium starts at $4.03 per user per month (billed annually) or $99.75 as a one-time purchase.
Desktop simplicity, intelligent mobile assistance, effective team communication, smart spam filtering, hyper-customized productivity…Whatever your use case, there's a third-party Gmail client for you.
The key is finding the right fit based on your priorities.
For me, Missive's collaboration-focused experience has been a game-changer for team communication without compromising individual productivity.
But what about you? Maybe you'll prefer Thunderbird's community-driven open-source approach. Or the AI-enhanced efficiency of Superhuman for power users!
No matter the app, upgrading from Gmail's web interface can optimize email and get you closer to inbox zero.
It's time to take control of your inbox.
October 26, 2024
5 Missive features you gotta know
Five underused Missive features that quietly save the most time: merging threads, a custom sidebar, inline canned responses, the command bar, and custom thread names.
Five Missive features that quietly save the most time once you actually use them: merging email threads, customizing your sidebar, inserting canned responses inline with #shortname, the command bar (Cmd/Ctrl+K), and renaming threads so they make sense at a glance. Most people know Missive has these. Fewer people build them into their daily workflow.
When I started my career, my first experience with team email was chaotic. Multiple inboxes, scattered conversations, constant back-and-forth about who was handling what. It was a nightmare.
At my last job, we used Missive, and it was night and day compared to my previous experience. But it wasn’t until I discovered some of the hidden features that things really clicked for me.
Over the past few years I’ve used Missive daily, and for the last year I’ve been helping Missive customers uncover the hidden gems. Today I want to share the five features that transformed how I handle communication. These aren’t the flashy ones, they’re the practical, everyday tools that make a real difference.
You know when someone starts a new email thread about something you’re already discussing in another thread? This used to drive me crazy. In Missive, you just drag one conversation onto the other and they merge into a single thread. Everything stays in order, nothing gets lost, and suddenly all your context is in one place.
Pro tip: You can’t undo a merge, but you can move messages out of a merged conversation into new private or shared ones.
Customizing your sidebar might not sound revolutionary at first, but trust me: it’s like finally organizing your desk after years of chaos.
Pro tip: You can also create whole new sections. Just drag an item on top of the +More button in the sidebar.
This feature is genuinely powerful: inserting canned responses inline. Do you know what I mean?
Type a hashtag followed by your response name, and boom, your full message appears right where you’re typing. No more copying and pasting, no more digging through templates.
If you learn one keyboard shortcut in Missive, make it this one. Press Cmd+K on Mac (or Ctrl+K on Windows) and you’ve got instant access to pretty much everything.
If I time-track myself for a week with and without using the command bar, the difference is about 3 minutes saved each day just from reducing mouse usage and menu navigation. Compound that over a year and it adds up fast.
This last one is simple but brilliant. You can rename email threads to whatever you want.
The real magic happens when you combine some of these features.
Depending on your use case, after implementing these features across your team:
Don’t try to implement everything at once. Start with the feature that addresses your biggest pain point:
Give them a shot. Start with one, get comfortable, then move on to the next. You might be surprised at how much time you save. For more on how Missive fits into team email workflows, see our guide to shared inboxes.
March 13, 2024
7 auto-reply email templates (with examples for every situation)
Seven ready-to-use auto-reply email templates for out-of-office, support, job applications, and more, plus setup steps for Missive, Gmail, and Outlook.
An auto-reply email is a pre-written message your email client sends automatically when someone emails you, usually to let them know you’re out of office, to confirm receipt of a support request, or to acknowledge a business inquiry. Below are seven proven templates for the most common situations, plus the steps to set them up in Missive, Gmail, and Outlook.
Emails take up more than a quarter of the average workweek, so it makes sense that people dread coming back from vacation to a full inbox. A good auto-reply sets expectations for the sender, tells them who to contact in the meantime, and buys you a little breathing room when you’re back.
The catch is writing one that doesn’t make you look unreachable, confused, or unprofessional. Nobody wants an auto-reply like this one that said she might never answer, or the classic example where one auto-reply replied to another auto-reply in an infinite loop.
This guide covers what an auto-reply is, seven ready-to-use templates for different situations, and step-by-step setup instructions for Missive, Gmail, and Outlook.
An automatic email reply (sometimes called an out-of-office reply, autoresponder, or canned response) is a message your email client sends on your behalf when an incoming message meets certain conditions. Common triggers:
Most email clients support auto-replies natively. Missive, Gmail, and Outlook all handle the basics, though each has different strengths, which you’ll see in the setup sections below.
Each of these templates uses Missive’s variable syntax to auto-fill the recipient’s name and other details. If you’re not using Missive, just replace the curly-brace variables with plain text.
Whether you’re on vacation, a local holiday, or taking time off for family reasons, this template works for any out-of-office situation. The {{ user.status }} variable pulls in your current Missive status automatically, so one template covers every occasion.
A longer leave needs a longer-horizon reply. Give a clear date range, point to a reliable backup contact, and set expectations about whether you’ll check email at all during the leave.
When someone leaves, their inbox doesn’t stop receiving emails. A well-written auto-reply redirects the sender to the right person and keeps the door open for future business.
If your email isn’t the best way to reach you for urgent matters, this template gives senders a backup channel (phone, text, or a teammate) without inviting every non-urgent sender to call.
Customer support is the most common use case for auto-replies. An instant “we got your message” acknowledgment goes a long way toward reducing anxiety and cutting down on duplicate follow-ups from the same person.
For info@ or contact@ inboxes, a quick auto-reply confirms the message landed and sets a response expectation. This prevents the sender from assuming their email got lost and emailing three more times.
Candidates often apply to dozens of roles at once and have no idea whether their application was received. A simple acknowledgment with a realistic timeline respects their time and reflects well on your company.
The seven templates above cover most situations. When you’re writing your own, keep these principles in mind.
A few common mistakes worth avoiding:
In Missive, auto-replies are built with rules and canned responses. The combination gives you far more control than a simple out-of-office toggle.
For personal out-of-office replies, Missive also has a dedicated personal auto-response feature tied to your status. Set your status to “Out of office,” define the date range, and Missive handles the rest.
Gmail’s vacation responder is the simplest option for a basic out-of-office reply.
For more targeted auto-replies (specific senders, specific keywords), you’ll need to combine Gmail templates with filters:
Outlook splits between the new and classic versions; the steps are slightly different.
New Outlook and Outlook on the web:
Classic Outlook for Windows:
Microsoft’s setup guide covers the older and Mac versions as well.
At a minimum: why you’re not responding (out of office, out of hours, reviewing a support ticket), how long the sender should expect to wait, and who to contact in the meantime if the issue is urgent. Three sentences is usually enough. Long auto-replies signal that you have too much to say about your absence; short ones signal you’ve got it handled.
Two to four sentences. Any longer and the sender stops reading. Any shorter and you haven’t set expectations. The seven templates above are all in this range and can be used as a length benchmark.
Yes, in every major email client. In Missive, add a condition to your rule filtering by sender address or domain. In Gmail, combine a filter with a template. In Outlook, use rules (File > Manage Rules & Alerts > New Rule) rather than the simple Automatic Replies toggle, which applies to everyone.
An auto-reply sends automatically based on rules you’ve set up, without any human action. A canned response is a saved template you insert manually into an email you’re about to send. The two overlap, most auto-replies are built from canned responses, but the key difference is whether a human is in the loop when it sends.
This depends on the client. In Missive, shared inboxes (like support@ or sales@) can have rules that send auto-replies on behalf of the team, so responses don’t get sent from a specific individual. In Gmail and Outlook, shared mailboxes usually need the auto-reply configured by an admin at the mailbox level, not the individual level; personal out-of-office replies don’t apply to shared addresses.
Any of the templates in this guide will work. Outlook lets you set one message for people inside your organization and a different (usually more formal) message for people outside. The “out-of-office general template” and the “alternative contact method” template are the two most common picks for Outlook away messages.
They can, if they’re poorly written. The most common complaints: auto-replies that don’t say when the person will be back, auto-replies that promise a follow-up that never comes, and auto-replies with no alternate contact for urgent situations. Done well, they set expectations and reduce anxiety. Done badly, they feel like being put on hold.
For support auto-replies, yes. A linked help center deflects common questions and often resolves the sender’s issue before anyone on the team has to reply. For personal out-of-office replies, usually no; it adds clutter without helping.
Missive is a collaborative email client with rules, canned responses, and personal auto-responses that work across email, SMS, WhatsApp, Instagram, and more. Try Missive free.
March 7, 2024
Property management email templates (with examples)
Property management email templates for applications, move-ins, maintenance, rent reminders, renewals, and move-outs. Copy, paste, and personalize.
The best property management email templates cover the five moments that repeat every month: applications (auto-reply, approved, declined, waitlist), move-in, maintenance requests, rent reminders, renewals, and move-outs. Save them as canned responses in your email tool so your team can fire off a polished, on-brand reply without rewriting it each time.
Managing properties comes with a lot of communication. Whether you’re emailing potential tenants or resolving maintenance issues, there’s only so much you can handle one-off.
To help you build and maintain good landlord-tenant relationships, we’ve put together email templates that make it quicker to respond to maintenance requests, send rent reminders, follow up with applicants, and more. Let’s jump in.
We’ve pulled together the templates you’ll actually use in daily property management work, with variable placeholders you can fill in.
If you’re using Missive, a collaborative email client for teams, you can copy/paste these directly into your canned responses and share them with your team so everyone sends the same clean message.
First impressions matter, especially when it comes to attracting and retaining quality tenants. The application process sets the tone and often influences whether a tenant decides to move into one of your properties.
You might be thinking:
Wait, I don’t need an email template for applications; most of my leads come from Facebook Marketplace. I don’t do email marketing.
The good news is that these templates save time whether you’re sending via email or Facebook Messenger. With Missive, you can manage your Facebook Messenger account alongside email and reuse the same templates across both.
A template for an auto-reply when you receive a rental application:
When an applicant passes the credit check and is approved, here’s a follow-up email template to use:
Some applicants won’t be approved. Here’s a template to make declining straightforward and respectful:
Last one for applications: for when you need to tell an applicant they’re on the waiting list.
A welcoming email with all the info new tenants need for their move-in kicks off the relationship well. A good message makes them feel valued and cuts down on the “wait, what time?” questions.
Most of the emails filling up your inbox as a property manager are maintenance requests. Replying quickly and letting the resident know you’re taking care of the issue is how you keep them happy.
Acknowledge the request right away so the resident knows it’s on your radar:
Once the issue is fixed, a quick follow-up shows you care about the resident’s experience:
Two messages (acknowledge + resolution follow-up) set the right expectation and cut down on the “any update?” emails.
If a resident is late on rent, a firmer reminder is in order. A few tips:
Here’s a template:
Timely renewal notices are how you retain residents and avoid vacancies. Start at least 90 days before the lease expires (adjust for your local laws). The email should spell out any changes and give a clear deadline for notice to vacate.
A template:
When a resident decides to move out, you’ll need to communicate all the info they need for the process. It can feel like a lot, especially if you manage many properties, but templates handle most of it.
A few tips before the template:
With those in mind, here’s the template:
Being a good property manager isn’t just about caring for brick and mortar, it’s also about nurturing relationships. Whether you’re a manager or a landlord, a few email best practices save time and avoid misunderstandings:
Master property management email communication and you’ll deliver five-star service, operate efficiently, and support your team.
Use a shared inbox tool so your whole team can see every tenant conversation, assign the right person, and avoid duplicate replies. Missive, for example, lets multiple leasing agents and maintenance staff work the same inbox without forwarding or sharing passwords.
Save them as canned responses in your email client. That way, any team member can pull up the right template in one click and personalize the variables before sending. If you’re using Missive, you can share templates across your team so everyone sends the same polished message.
Same-day acknowledgment for anything, even if full resolution takes longer. For maintenance issues, acknowledge within a few hours and set a clear expectation for when you’ll follow up. For applications, reply within 24-48 hours. For response-time SLAs, 4 business hours is a solid benchmark for tenant communication.
Yes, where you can. Rent reminders, late payment notices, and renewal notices all follow the same pattern every month or year, which makes them perfect for automation. Use your property management software’s built-in reminders, or set up rules in your email tool to handle the routine nudges and free your time for the stuff that actually needs a human.
Acknowledge the complaint quickly (within a few hours), validate their frustration, and give a clear timeline for resolution. For anything complex or emotional, switch to a phone call after the first email response. Written channels are better for records; voice is better for tone. Missive lets you track every step of a complaint across email, SMS, and calls in the same thread so nothing falls through the cracks.
February 23, 2024
How to avoid emails going to spam
Emails end up in spam for four main reasons: list management, content, DNS authentication, and reputation monitoring. Here’s how to fix each one and improve your deliverability.
Emails end up in spam for four main reasons: poor list management (sending to unengaged or unconsented addresses), low-quality or keyword-stuffed content, weak DNS authentication (missing or misconfigured SPF, DKIM, DMARC, and BIMI records), and poor sender reputation monitoring. Fix all four and your deliverability improves substantially, even without any content changes.
Every day, approximately 350 billion emails are sent and received. Of those, more than 45% end up in spam. That’s a massive hit for businesses: marketing emails don’t reach subscribers, transactional emails don’t inform customers, and teams struggle to communicate effectively.

Email deliverability is something of a black box, much like SEO. The rules change often and aren’t fully disclosed by major Email Service Providers (ESPs) like Google, Apple, and Microsoft.
Sometimes they are disclosed, as with Google and Yahoo’s enforcement of stricter sender authentication requirements starting in February 2024 and tightened further since. More often, the rules stay opaque.
The good news: even with that uncertainty, you can significantly improve your email deliverability. If your messages are getting lost in the spam folder, read on; we’ll cover why emails end up there and how to prevent it.
Before we dive into why your emails end up in spam, let’s start with a distinction that trips up most people:
Just because your emails show as “delivered” in your sending tool (bounce rate, delivery rate) doesn’t mean they’re actually reaching the recipient’s inbox.
Email deliverability is the odds that your email makes it to the inbox and not to spam. “Delivered” just means the recipient’s server accepted it; spam filtering happens after that.
Emails trigger spam filters for many reasons, but the story usually comes down to four pillars:
Avoid these red flags and your emails will land in the inbox far more often.
How you collect emails and build your subscriber list matters a lot. If you use a deceptive method to grab email addresses and then send unsolicited messages, those recipients will be unhappy, and unhappy recipients mark you as spam.
Use an opt-in form that clearly tells users they’ll receive content from you by checking a box or a similar mechanism. Be clear, not sneaky.
Make it easy to unsubscribe. Don’t hide the link in gray-on-white at the bottom of your template. People who can’t unsubscribe flag your email as spam, which damages your reputation.
Google and Yahoo now require an unsubscribe button directly in the header of bulk email. Here’s what it looks like:

Use a third-party tool to remove deactivated or banned accounts from your list. Those create hard bounces, and hard bounces hurt your reputation.
We like Neverbounce for this.
If a group of subscribers hasn’t opened a single email in the last six months, send them a message asking if they’re still interested. Emails that consistently get ignored are likely to be flagged as spam, which isn’t good for your sender reputation and isn’t a great final touchpoint with your brand either. Be kind and warm about it; let them sail into the sunset if that’s their wish.
The content you send matters more than almost anything else. People’s time is valuable, so when you ask for their attention, make sure what you’re sending is worth the read.
A quick checklist before hitting send:
Authenticating and securing your emails is a crucial step in making sure they reach the inbox. It’s often overlooked and one of the easiest wins for deliverability.
There’s a tight link between security and compliance here. ESPs want to reduce spam, scams, and phishing. To support that, they favor domains with well-configured security and authentication protocols in their DNS.
This part is tricky to set up but incredibly valuable. It can mean the difference between a +39% open rate and a +34% purchase likelihood.
So what are these authentication and security protocols?
DNS is the address book of the internet. Computers use DNS to look up domain names and find the corresponding IP addresses needed to connect to websites, servers, and other resources.
DNS is also where ESPs like Google, Apple, and Microsoft check how your emails are secured and authenticated:
Let’s go through each one.
SPF records are like a guest list for sending emails. An SPF record is a line of text that specifies which domains or IP addresses are permitted to send emails on behalf of your domain. It lives in your DNS manager, under TXT records.
Here’s an example SPF record:
v=spf1 ip4:192.0.2.0/24 ip6:2001:db8::/32 include:_spf.example.com ~all
If an email from your domain is sent to a recipient server from an IP not on your SPF list, deliverability takes a hit.
A quick tip: to check whether your DNS is configured properly and your email has a good chance of reaching the inbox, use Palisade’s free Email Deliverability Score tool. It audits your DNS configuration and suggests improvements.
DKIM records add a digital signature to your emails that proves they’re authentic when they arrive at the recipient server. Think of it like the signature on the back of your credit card.
Each third-party service you use with your domain typically needs its own DKIM key and record.
Here’s an example DKIM record:
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAgAS4QZzH+/iM5ilpxexFK7uVnX5OasDMW61p7IvUjM+488QnpLqDTlsvGdJtG/oHgwRpXcNSxKKhtX3R4zg0MoSdLJYTEMiirr8UdeuGng/ZKM2XtLa+qGve6kp3H5NBx2uYHVj+E0WANeRT3bK5sMVRTYSAywN/m9ugX5T5PkbvJ2HRTmrX00ov4/VoVFSbfHZzaA/FDX/hyFnWEiOb1JihArP2+cMs+CYgIi7u8t+p0FqR/37kuEh5PLxOct/fnhqjn35XPn8C1s2fAC5J2WZjmmC5QM2qYV90isu03jeCI7Vap9ocKj5P+qJAlooYNujICd84ZmcHeA2UJqj22QIDAQAB
DMARC protects your domain from people trying to send fake emails (phishing, spam) on your behalf.
The DMARC policy is central to deliverability and security. It tells recipient servers what to do if the emails they receive from you aren’t authenticated properly through your SPF or DKIM (often called alignment).
Here’s an example DMARC record:
v=DMARC1; p=none; rua=mailto:dmarc@palisade.email; ruf=mailto:dmarc@palisade.email; fo=1;
Google and Yahoo have been enforcing DMARC policies for bulk senders since early 2024, and their requirements have continued to tighten since. If you’re sending any volume of email, DMARC alignment is non-negotiable.
BIMI was adopted by Google, Apple, Yahoo, and most major ESPs (still waiting on Outlook) back in May 2023. It’s now the standard way to verify your identity via email, display your brand logo in the inbox, and get a verified checkmark. You’ll see this rolled out by large brands like LinkedIn and Google:

Here’s an example BIMI record:
v=BIMI1;l=https://images.palisade.email/brand/bimi-logo.svg;a=https://images.palisade.emai/brand/certificate.pem
Monitoring your sender reputation is a big part of keeping deliverability high. Sender reputation is like a person’s reputation: it takes time to build and is easy to damage.
There’s no single tool that does it all, but several tools can give you partial visibility into your deliverability health.
One of the best tools available, even if it only monitors your reputation from Google’s perspective, is Google Postmaster.
It gives you three key data points on sender reputation:
Email deliverability isn’t set-and-forget; it’s ongoing work, but worth it.
Many companies spend significant time A/B testing funnels and producing content but skip the critical step of making sure their emails actually reach the inbox. If your users aren’t seeing your content, what’s the point of investing so much in creating it?
It’s not easy. List management best practices change. Content engagement shifts with trends. DNS compliance evolves. Reputation monitoring is sensitive. After reading this, you should have a better understanding of email deliverability basics (and the difference between “delivered” and “in the inbox”), and know where to focus your attention first.
The most common causes are missing or misconfigured SPF, DKIM, and DMARC records; sending to a dirty list with unengaged or invalid addresses; using content patterns spam filters flag (all caps, misleading subject lines, spam-trigger words); and poor domain or IP reputation. Start with DNS authentication; it’s the most impactful fix and often the most overlooked.
“Delivered” means the recipient’s email server accepted the message. Inbox placement means the message actually made it to the inbox instead of spam, Promotions, or other filtered folders. Your ESP will typically show you delivered rates but not inbox placement. For that you need deliverability tools like Palisade or Google Postmaster.
Yes. Since Google and Yahoo’s 2024 enforcement changes, bulk senders (over 5,000 emails a day to Gmail or Yahoo addresses) that don’t have proper SPF, DKIM, and DMARC alignment see their messages quietly dropped into spam or rejected outright. Even for smaller senders, proper authentication measurably improves inbox placement.
Free tools like Palisade’s Email Deliverability Score, MXToolbox, and Google Postmaster will audit your DNS configuration, flag missing records, and highlight issues with SPF, DKIM, DMARC, and BIMI. Run a check before you send any big campaign.
Early data suggests yes, in the +10% to +39% range for open rates, because a verified logo in the inbox increases trust at a glance. The tradeoff is that BIMI requires a Verified Mark Certificate (VMC) from a certifying authority, which costs several hundred dollars per year and requires a trademarked logo.
Often yes. Proper DNS authentication (SPF, DKIM, DMARC), list cleaning (removing hard bounces and long-inactive subscribers), and consistent sending volume can all improve inbox placement without any content changes at all. If your content is reasonable and your deliverability is bad, the technical setup is usually the culprit.
January 30, 2024
What does CC mean in email? CC and BCC explained
CC sends an email copy to recipients who all see each other. BCC hides them. Here's when to use each, plus team alternatives and how AI is reshaping CC use.
CC (carbon copy) sends an email to additional recipients who can all see each other. BCC (blind carbon copy) sends the same copy but hides those recipients from everyone else. Use CC for visibility; use BCC for privacy or for emailing large groups without exposing every address.
Both fields were borrowed from paper-era business letters. “CC” originally referred to a literal carbon copy made on a typewriter. The mechanics have changed and AI has reshaped what teams use these fields for, but the etiquette still holds in 2026: “To” is for action, “CC” is for visibility, “BCC” is for discretion.
CC stands for carbon copy. It’s a field in the email header that lets you send a copy of an email to additional recipients. When someone is CC’d, they can see the full email thread and every other recipient, including other CC’d people.
It’s a common way to keep people informed about a conversation without making them the primary audience. For example, a sales rep at a marketing agency might email a prospect and CC their manager. The manager sees every reply, but isn’t expected to weigh in. They’re there for context.
The technical difference between “To” and “CC” is almost nothing. The difference is convention: “To” is for the people the email is addressed to, CC is for people you want looped in.
BCC stands for blind carbon copy. The mechanics are the same as CC, with one change: BCC’d recipients are invisible to everyone else on the thread. Nobody in the To or CC fields knows a BCC recipient exists.
This makes BCC useful in two situations:
BCC should be used carefully. Using it to quietly include a third party in a private conversation can erode trust if it comes out later, and in some industries (legal, regulated communications) it raises compliance questions.
The main difference is visibility. CC recipients are visible to everyone; BCC recipients are hidden.
| CC (carbon copy) | BCC (blind carbon copy) | |
|---|---|---|
| Visibility | All recipients can see each other | BCC recipients are hidden from all other recipients |
| Recipient awareness | Everyone knows who else is on the email | Only you and the BCC’d person know they’re included |
| Purpose | Keep additional people informed transparently | Include someone without the other recipients’ knowledge |
| Reply-all behavior | CC’d people receive replies when someone hits Reply All | BCC’d people do not receive replies when someone hits Reply All |
| Best for | Transparency, collaboration, FYI loops | Privacy, mass emails, discreet oversight |
| Risks | Inbox overload, reply-all chaos | Trust and compliance concerns if discovered |
CC is the right tool when you want someone to see the conversation, but you don’t need anything from them. Three common cases:
To share context without demanding a response. If you’re emailing a vendor about a billing issue and your coworker in finance should know it’s happening, CC them. They don’t have to reply; they just have a record.
To introduce a new person to an existing thread. When looping someone new into an ongoing conversation, CC’ing them is standard. They see the history and can jump in if they want.
To build a paper trail inside your company. CC’ing a project lead or manager on client communications keeps them informed and creates a reference for later. This is common at accounting firms like KPMG or law firms where project leads want visibility into junior staff’s client-facing emails without taking over.
BCC has fewer legitimate use cases than CC, and most of them come down to privacy.
Emailing a large group where recipients shouldn’t see each other. Event invites, newsletter blasts, or announcements to a client list. Putting everyone in BCC (and yourself in To) protects privacy and prevents reply-all disasters.
Sending a copy to yourself at another address. If you want a copy of an outgoing email in a separate personal or archive inbox without the recipient seeing it, BCC is the cleanest option.
Quietly looping in a supervisor. Use this one carefully. Occasionally a manager needs visibility on a conversation for oversight reasons (HR, compliance, escalation tracking). BCC keeps them informed without changing the dynamics of the conversation.
There are three situations where reaching for CC or BCC is a mistake.
When you need a reply or action. CC’d recipients usually assume they don’t need to respond. If you actually need input from someone, put them in the To field. Anything else invites confusion and missed responses.
When you don’t have consent. If the thread contains sensitive information, adding new recipients without checking first is a fast way to lose trust. When in doubt, ask the original sender before looping anyone in.
When you’re CC’ing the same people over and over. If you find yourself CC’ing the same three coworkers on every customer email just so they have visibility, CC is the wrong tool. You’re trying to do shared work through a tool built for point-to-point communication, and everyone’s inboxes are paying for it. More on the alternative below.
CC works fine for one-off visibility. It falls apart when “keeping the team in the loop” is a constant, not an exception.
Common symptoms that CC has outgrown its usefulness:
The underlying problem is that CC was designed for individual senders. When a team shares responsibility for an inbox (support@, sales@, info@, or a partner address for a small firm), you need a tool built around shared work, not one that mimics it with CC. Our team email management piece goes deeper on what that shift looks like in practice.
The option most teams settle on is a shared inbox.
In a shared inbox, every member of a team sees the same conversations automatically. Nobody has to CC anyone because everyone already has access. Instead of replying-all to coordinate a response, you discuss the thread internally, where the discussion stays attached to the email itself.
Missive is a collaborative email client built around this pattern. It works like a regular email client for your personal inbox, and then layers shared conversations, internal chat, and assignments on top for the addresses your team handles together.
What that looks like in practice:
The result is that CC goes back to being what it was originally for: an occasional FYI to someone outside the immediate conversation. Day-to-day team communication stops routing through the CC field entirely.
The biggest shift in 2026 isn’t about CC etiquette. It’s that AI tools are quietly replacing many of the patterns CC was invented to solve.
Three of those patterns are dissolving:
CC for visibility is becoming "AI summary on demand." Historically, you CC’d a manager so they could see how a client conversation was going. Now an AI email assistant can read every thread in a shared workspace and summarize what’s happening on request: “Brief me on the open conversations with this client.” The manager skips reading 30 CC’d threads and gets the picture in one shot. The CC was a low-bandwidth signal; the AI summary is a high-bandwidth one.
CC for routing is becoming "AI triage." Teams used to CC the person who probably should handle an inbound message, hoping they’d pick it up. Now AI Rules classify incoming mail by intent and assign it to the right teammate without anyone having to add a CC. The routing logic moves from the sender’s discretion to a system the team configures once.
CC for context is becoming "AI search across past threads." Looping someone new into a thread used to mean CC’ing them and forwarding the history. Now the AI can pull relevant prior conversations and contact context directly into the current thread, on demand. Less forwarding, less cluttering of other people’s inboxes.
BCC is changing less because its core use case (privacy and mass sending) doesn’t have an AI alternative. But the “quiet visibility” form of BCC, covertly looping in a manager, is also getting replaced by audit logs and AI summaries in collaborative inboxes. If a team operates in a shared workspace where the AI can summarize on request, there’s less reason to BCC anyone for oversight.
The practical implication: CC isn’t going away, but its centrality is fading. The teams running AI email well in 2026 use CC for what it was originally meant for (the occasional FYI to someone outside the immediate conversation) and let AI handle the routing, summarizing, and context-pulling that CC was getting overloaded with.
CC (carbon copy) lets you send a copy of an email to additional recipients who don’t need to take action, but benefit from seeing the conversation. It’s a way to keep people informed, create a paper trail inside a company, or loop in someone new without making them the primary audience.
CC and BCC both send a copy of an email to additional recipients. The difference is visibility. If you CC your manager on an email to a client, the client can see your manager is on the thread. If you BCC your manager on the same email, the client has no idea your manager is included.
Example: You email a vendor asking for an updated quote. You CC your procurement lead so they can follow along (the vendor sees them). You BCC your manager so they have a record for budget approvals (the vendor has no idea).
Avoid CC when you actually need a response or action; CC’d people usually assume they don’t have to reply. Also avoid CC’ing the same coworkers repeatedly on routine team communications. That pattern is a sign you need a shared inbox, not more CC chains.
Use CC when transparency matters and you want all recipients to see each other. Use BCC when privacy matters, you’re emailing a large group of people who shouldn’t see each other’s addresses, or you need to discreetly loop someone in.
Their reply goes to the sender and every visible recipient (everyone in To and CC). The BCC’d person’s address still doesn’t appear in the message headers, but the content of the reply can give them away. If they reference something only the original email contained, other recipients will realize someone was quietly copied.
Usually no. When you receive a BCC’d email, it arrives like any other message, but your address doesn’t appear in the To or CC fields. Some email clients show a small note like “bcc: you” in the headers, but only you can see it, not the other recipients. If you don’t see your address anywhere in the visible fields but you still got the email, you were BCC’d.
It depends on context. CC’ing a manager to keep them informed on routine updates is normal at most companies. CC’ing a manager specifically to escalate or pressure someone into responding (sometimes called “CC’ing the boss”) is usually seen as passive-aggressive. If the goal is accountability, a direct conversation is almost always a better move.
Not directly, but very large recipient lists in CC or BCC can trigger spam filters or get flagged by your email provider. For sending to big groups (hundreds of recipients), a proper email marketing tool or mailing list is a better option than stuffing addresses into BCC. It also gives you unsubscribe handling and bounce tracking, both of which matter for staying out of spam folders.
Yes, the mechanics are identical across every modern email client. CC and BCC are part of the underlying email protocol (defined in RFC 5322), so Gmail, Outlook, Apple Mail, and any IMAP-based client all handle them the same way: CC recipients are visible in the headers, BCC recipients are not. The differences are interface-level. Gmail and Outlook both hide the CC and BCC fields by default and require you to click to reveal them, which is partly why people forget those fields exist. Other clients put them on screen by default.
The CC’d person receives the email in their normal inbox, just like the people in the To field. They can see every other recipient (To and CC) and can reply or reply-all. Most email clients don’t visually distinguish a CC’d email from a directly addressed one in the inbox list. Convention says CC’d recipients aren’t expected to respond, but the email itself doesn’t enforce that; if they hit Reply or Reply All, their reply behaves like any other.
AI email assistants treat CC and BCC the same way humans do: they read the conversation, see who’s on it, and consider that context when drafting replies or routing. The bigger change is that AI tools are reducing the need to CC at all. AI Rules can route mail based on intent (no need to CC the right person), AI assistants can summarize ongoing conversations on demand (no need to CC for visibility), and shared inboxes with AI search can pull context from prior threads (no need to CC for history). The AI tools don’t change what CC does; they make many of the reasons to use it less necessary. Our guide to using AI in your email inbox covers the patterns in more detail.
Missive is a collaborative email client built for teams that have outgrown CC. Connect your team’s shared addresses, discuss conversations internally, and handle email, SMS, WhatsApp, and more from one place. Try Missive free.