Am 10.03.23 um 12:30 schrieb Corey Hickman via Postfix-users:
I saw some people using email addresses like yahoo, AOL, mail.ru to post
messages to the lists (such as debian-user, postfix-user etc).
I am thinking those addresses which have the strictest DKIM setup are
not suitable to send a list mail, they will be blocked by many
recipients (list members).
That's where DMARC mitigation comes in place and sets a From like "Corey
Hickman via Postfix-users <postfix-users@postfix.org>" and the Reply-To
the orginal sender - just to avoid these issues.
Regards
Bjoern
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