The MTA=Postfix creates a file: "/etc/mailman/aliases".  That file is in the format used by Postfix , Sendmail, Exim, etc. to form the mail interface into Mailman.  It looks like the intention was that Mailman would maintain that file along with edits by a human.  Is that functionality still useful?  The cost is a complex MTA/Postfix.py.

The only functionality I want out of Postfix.py is the ability to write out a complete aliases file like genaliases does.  Could someone do that for me?  I have not done any Python code.:-(

I propose two new config entries for MTA='Sendmail':

    MAIL_ALIAS_FILE='/etc/mail/aliases-mailman'

    NOTIFY_MAILER='sudo systemctl restart sendmail'

I see some support for virtual mail domains.  Can I now have two distinct and separate mailing lists like:

members@a.example.com

members@b.example.com

???  Or do virtual domains just keep the mailing list names outside the local-mail name space?

I have a script that I use locally to make virtual domains in Sendmail.  It should make supporting virtual domains trivial.

Ciao,

//Z\\

P.S.: I appreciate Grant's comment that mm-handler minimizes changes to the MTA.  If you want to put mailman lists into the local mail domain then I think we still need the aliases route.