Murray S. Kucherawy writes: > > It would require MLM to not drop DKIM headers... Still some > > configuration on MLM side, but less in the way messages are > > modified > > That's a much less visible and thus probably more tolerable change > for MLM operators.
Mailman added an *optional* capability to drop DKIM signatures at the request of list operators who believed that DKIM failures were being used to reject or discard messages (contrary to protocol, of course). It drops all such fields. I don't know whether other MLMs implement it. I don't know how commonly the capability is used or whether the list operators still want it. If this idea goes further, we can ask the -developers and -users lists. AFAIK otherwise Mailman doesn't delete fields. Nor does it alter fields except for: (1) Personalization (list is replaced by subscriber in To: and Cc:). (2) Anonymous lists (From: is replaced by list). (3) Subject (optionally tag is added). (4) Reply-To (traditional munging; as part of p=reject mitigation). This is probably typical of most MLMs. Steve _______________________________________________ dmarc mailing list [email protected] https://www.ietf.org/mailman/listinfo/dmarc
