On 1/11/19 7:06 AM, David Gibbs via Mailman-Users wrote: > > Does anyone know if there is a way to prevent MM from adding the > original posters email address as a CC when the DMARC munging is done?
The following comment from Mailman/Handlers/CookHeaders.py describes the goals for handling the original From: > # MAS: We need to do some things with the original From: if we've munged > # it for DMARC mitigation. We have goals for this process which are > # not completely compatible, so we do the best we can. Our goals are: > # 1) as long as the list is not anonymous, the original From: address > # should be obviously exposed, i.e. not just in a header that MUAs > # don't display. > # 2) the original From: address should not be in a comment or display > # name in the new From: because it is claimed that multiple domains > # in any fields in From: are indicative of spamminess. This means > # it should be in Reply-To: or Cc:. > # 3) the behavior of an MUA doing a 'reply' or 'reply all' should be > # consistent regardless of whether or not the From: is munged. > # Goal 3) implies sometimes the original From: should be in Reply-To: > # and sometimes in Cc:, and even so, this goal won't be achieved in > # all cases with all MUAs. In cases of conflict, the above ordering of > # goals is priority order. If your goal is to not expose the original From: address, you can make the list anonymous or if you have sufficient access, modify the code. -- Mark Sapiro <m...@msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan ------------------------------------------------------ Mailman-Users mailing list Mailman-Users@python.org https://mail.python.org/mailman/listinfo/mailman-users Mailman FAQ: http://wiki.list.org/x/AgA3 Security Policy: http://wiki.list.org/x/QIA9 Searchable Archives: http://www.mail-archive.com/mailman-users%40python.org/ Unsubscribe: https://mail.python.org/mailman/options/mailman-users/archive%40jab.org