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GMail definitely respects my DMARC reject policy. But IDK how missing one of SPF or DKIM affect its spam decision. But with DMARC reject and both missing or inv
by kevincox 4y ago
GMail definitely respects my DMARC reject policy. But IDK how missing one of SPF or DKIM affect its spam decision. But with DMARC reject and both missing or invalid it will bounce the message every time I have seen.
- tomatocracy 4y agoAutomatic mail forwarding without altering the From address will cause DMARC alignment for SPF to break. This is a common enough legitimate setup that most providers seem to effectively downgrade the DMARC policy applied when they see this (usually reject becomes quarantine, quarantine becomes ignore).