(Cross posted from Spam Resource.)
Every couple of days, somebody new pops up on the DMARC-Discuss mailing list to ask some question or share an observation. It’s great to see people interested and joining the conversation. Clearly, DMARC interest and adoption are growing. What’s really frustrating, though, is that for about a quarter of the new subscribers, their first mailing list message goes to the spam folder in my Gmail account. It has become sort of an intelligence test I apply to new subscribers — I’ve stopped digging those messages out of the spam folder. I’m figuring that if they can’t figure out how to implement a DMARC record, or they don’t understand that it’s not really compatible with mailing lists nor is it meant for hobbyist domains, then I think perhaps they’ve got some things they’ve got to figure out before they’re ready to join the discussion.
To that end, let me take a moment to jot down some recommendations for folks who are considering implementing DMARC.
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