Solve email delivery problems

Created by Ezra Weinstein, Modified on Tue, 27 Sep 2022 at 09:38 AM by Hannah Harris

A standard approach to prevent spam email is to ensure that the email is coming from a server which is permitted to send mail on behalf of your domain. This is done with 3 DNS records called SPF, DKIM, and DMARC. The SPF (Sender Policy Framework) is the most important record. DKIM and DMARC are more complicated to set up and less often required by mail providers.


To check whether your DNS is configured correctly for email to be delivered, use this free online tool:


Enter your domain name and the site will tell you if your DNS records are configured properly.


If you need to add SPF, DKIM, and/or DMARC records, here are the instructions to do so:



If you are still having trouble, you can also use MailGenius to troubleshoot further:

Using MailGenius to Troubleshoot Email Issues 

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