> I've read documentation and mailing list archive for some time now
> but didn't find an answer to my problem.
> I'm using postfix for managing a small list. Let's say
> [hidden email] that 'forwards' mail to 10 real user mailboxes.
> Some of the users prefer sending mail to the list referring it in
> the Bcc-Header. So the mail comes with "To: undisclosed_recipients;"
> which is set by the MUA, not by postfix!
> I'm not interested in who else gets the mail but I would like
> postfix to set "To: [hidden email]" if a user sends mail to the
> list via Bcc. That is needed in order to filter mail later on.
use a mailing-list manager (mailman, sympa, ...). alternatively, deliver
to an external MDA (maildrop or procmail) and let it do what you want
(with formail or reformail). or deliver to a script that does the rewrite.
> Can anybody please help me to resolve this issue?
doing this with postfix alone requires a cumbersome setup (it requires
running specific listeners or instances... way too convoluted except for