Starting Feb 2024, gmail will require senders who are sending more than 5000 emails a day to setup DMARC authentication. See updated gmail sending requirements in Feb 2024. We recommend all email senders to setup DMARC authentication.
How to setup DMARC (detailed)
For detailed setup, follow this guide from google to setup DMARC.
How to setup DMARC (quick and easy)
Follow this guide if you don't care about DMARC reports and just want to a quick and easy way to get DMARC authentication.
Add a TXT record for _dmarc with the value
v=DMARC1; p=reject; pct=100;
| Record Type | Hostname | Domain | Value | TTL |
|---|---|---|---|---|
| TXT | _dmarc | myemaildomain.com | v=DMARC1; p=reject; pct=100; | Default |
Tools to check DMARC
https://mxtoolbox.com/dmarc.aspx
https://dmarcian.com/dmarc-inspector/
Additional Guides to setup DMARC
https://mxtoolbox.com/dmarc/details/how-to-setup-dmarc
https://dmarcly.com/blog/how-to-set-up-dmarc-in-3-easy-steps