Markus Grunwald:
> Hello!
>
> I have a postfix server with one local and two virtual
> domains. For one of the virtual domains, I need a mail
> distribution list. I used the virtual alias list for a long time,
> but meanwhile I have many recipients that block mail from that
> list. An analysis from mx toolbox reports SPF trouble ("original"
> sender is [email protected], people get mail from
> [email protected]).
>
> I tried to set up a mailing list, but ended up having the same
> problems.
You need a list manager (such as gnu mailman) that replaces the
From: header AND the envelope sender address (SMTP MAIL FROM) with
the name of your list's domain.
Wietse