Guides ยท Technology
DMARC, SPF, and DKIM Basics
Secure email sending
Email auth uses SPF to list sending IPs, DKIM to sign messages, and DMARC to set alignment policy and reports; implement gradually, monitor reports, then enforce to block spoofing.
- dmarc
- spf
- dkim
- email authentication
- spoofing
Set SPF/DKIM
Publish SPF records; enable DKIM signing for domains.
Configure DMARC
Start with p=none for reports; move to quarantine/reject as aligned.
Monitor
Review DMARC reports; fix misaligned senders before enforcing.
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