Add a DMARC record
dmarc-missing
SPF and DKIM only tell receivers what to check, never what to do when a check fails. A DMARC record is the part that actually blocks spoofed mail.
CDN and edge
Cloudflare
- 1 Go to DNS > Records
- 2 Add a TXT record for _dmarc.yourdomain.com
Type: TXT
Name: _dmarc
Content: v=DMARC1; p=reject; rua=mailto:[email protected]
# p=none (monitor only, start here)
# p=quarantine (send to spam)
# p=reject (block entirely, goal)Does your app still have this?
Scan your domain