> On Oct 25, 2016, at 15:42 , Mark Sapiro <m...@msapiro.net> wrote: > > On 10/25/2016 02:46 PM, Ryan C Stasel wrote: >> > There's not much you can do with list configuration. > > Mailman ensures the list posting address is always in To: or Cc:, so you > have to modify code (Mailman/Handlers/CookHeaders.py) to keep it out. > You also may need to set the list's Non-digest options -> personalize to > Full Personalization so the list address is not in To:. > > Perhaps a better way to do all of this is to set the list's Non-digest > options -> personalize to Full Personalization and create a custom > handler (see <https://wiki.list.org/x/4030615>) to go in the pipeline > after CookHeaders and to just remove any Cc: from the message. Then the > From: will be the poster, To: will be the individual recipient and there > will be no Cc:. > > However, with any method like this, you will run afoul of DMARC if the > domain of From: publishes a DMARC p=reject or p=quarantine policy. You > really can't avoid DMARC issues without changing the From: domain. > Standard DMARC mitigations will probably work by putting the original > From: in Reply-To:, but then you have the issue of the munged From: > containing the list address and you'd need to change that, but to what > could you change it that isn't the original From:, isn't the list > address, won't bounce and won't inundate someone with unwanted mail, > Maybe the list-owner address? > > Another way to do something, but not exactly what you ask is to set > Privacy options... -> Recipient filters -> max_num_recipients to 2 and > require_explicit_destination to Yes. > > This will ensure that any post which addresses more than just the list, > which all reply-alls will, will be held for moderation. > > For more control, you can use header_filter_rules to hold or reject > posts with more that one address in To: (a regexp like '^To:.*?@.*?@.*$' > might do although it will falsely catch a display name with an @), or > any Cc:
Hmm, darn. I might play with the max recipients thing, but I think the end result of that will be similar to just making the list moderation only. Thanks Mark! -Ryan Stasel ------------------------------------------------------ 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