Victor Duchovni:
> On Thu, Apr 23, 2009 at 05:15:52PM -0700, David Jonas wrote:
>
> > When a bounce message from <> is going to an address that is in
> > virtual_alias_maps the sender gets rewritten to <MAILER-DAEMON>, or at
> > least that is what seems to happen. Some mail servers reject MAILER-DAEMON
> > as a sender due to the lack of domain (att.net, comcast.net). How can I
> > control this? What is the proper thing to do in this case?
>
> The pipe(8) daemon by default passes MAILER-DAEMON as ${sender} in place
> of the empty address. If your "argv" setting is robust, you can ask it
> to not do that. Usually, pipe(8) leads to final delivery and the envelope
> sender is not significant. If you are using pipe(8) content filters, set
> it up to not break the envelope.
>
> Also Postfix does not send unqualified addresses to remote servers unless
> you turn off append_at_myorigin, which you should never do.
As of Postfix 2.3, filtered mail is re-injected with "sendmail -G"
to prevent signature damage due to address rewriting. Thus,
MAILER-DAEMON is no longer qualified as it used to be.
I'll update the FILTER_README document.
Wietse
