We munge regardless of DMARC policies of senders domain so the experience is consistent.
Jason Carter IT Manager Collaboration Services Infrastructure and Security Information Technology Services | Florida State University p 850.645.8069 | w its.fsu.edu<https://its.fsu.edu/> ________________________________ From: mailop <[email protected]> on behalf of Hans-Martin Mosner via mailop <[email protected]> Sent: Tuesday, July 13, 2021 7:04 AM To: [email protected] <[email protected]> Subject: Re: [mailop] mail.ru broke mailing lists 12. Juli 2021 23:07, "Mark Fletcher via mailop" <[email protected]<mailto:[email protected]?to=%22Mark%20Fletcher%20via%20mailop%22%20<[email protected]>>> schrieb: For others here running mailing lists that pay attention to DMARC settings, do you treat p=none differently than reject/quarantine? For a few mailing lists with very small audience, we decided to "munge" the header From: address in all cases, so recipients don't get confused by two different formats coming from the same mailing list. If it's ok to munge for senders with DMARC policies, it's good enough for others as well. If you manage significantly larger volumes, you might consider more factors in you decision, though. Cheers, Hans-Martin
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