> If I tell mailman to send me a copy too,
> then I'll always get 2 copies.

Except if you're using Gmail as your infrastructure (like I am). Gmail only posts the message once when it recognizes the unique Message-ID as duplicated, even if the multiple messages come into "To" and/or "cc" via different target e-mail addresses (which is often my case).

I hate to make Gmail look good, especially when I started this "bash Gmail" thread, but hey, they do a few things right. (Like labels!)

Hartmut W Sager - Tel +1-204-339-8331

On Mon, 30 Mar 2020 at 23:18, Trevor Cordes <trevor@tecnopolis.ca> wrote:

Oh, I see why the mailing lists sometimes default to replying to the
list and sometimes to the sender... if I'm in the To:/Cc: explicitly
then when I hit reply it goes just to the sender. If I'm not, it goes
to the list. Ah: because the ones explicitly to me are not even going
through mailman (even though mailman is on the Cc:). I think there's a
setting in each subscriber's mailman to also (or not) send a copy when
you're already on the Cc:.

A bit frustrating as there's no good solution. If I tell mailman to
send me a copy too, then I'll always get 2 copies. And I can't tell
the origin mail server not to send me that other copy... Unless someone
can think of something I haven't, looks like using reply-to-all or
reply-to-sender explicitly each time, and never using just "reply", is
the only way to ensure the MUA is doing what I want.

Or... I guess if everyone refrains from ever letting any individual
person's email address get into the To:'s and Cc:'s that mailman
sees... good luck with that!
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