Dev Tools · 1h ago
Why Your Email Passes SPF and DKIM but Still Fails DMARC
DMARC requires alignment: the authenticated domain must match the visible From address. SPF authenticates the Return-Path, not the From header, and DKIM authenticates the signing domain. If neither aligns with your From domain, DMARC fails even if both pass individually.
Meridian48 take
This is a common but fixable issue for email senders; most platforms support custom Return-Paths or aligned DKIM signatures.
Read the full reporting
Your email passes SPF and DKIM but still fails DMARC. Here's why →
DEV Community
email-authenticationdmarc