How can I configure my DNS for better email deliverability?

Having a valid SPF record is a critical aspect of ensuring the proper deliverability of your emails.

This online tool let you see if your domain does not provide a valid SPF record.

See Google’s explanation of SPF records. Basically, your root domain’s DNS must have a TXT record similar to this:

v=spf1 ~all

When not using Gmail, the part would be different based on your email server.

Your new/updated SPF record can take up to 48 hours to go into effect, though it usually happens faster.

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