Wietse Venema:
> Patrick Proniewski:
> > What would be the best way to do this?
> >
> > I've though about using bcc maps, something like this:
> >
> > user1@domain user1@training.domain
> > user2@domain user2@training.domain
> >
> > but in case of failure on the training server side, the From:
> > address would get an delivery error message, right?
> >
> > Any help greatly appreciated! Patrick
>
> Postfix built-in mechanisms to add recipients are "reliable" in the
> sense that the sender will be informed of delivery errors.
>
> To add a recipient without notification, use an smtpd_proxy_filter
> that copies command and replies without modification, and that adds
> the additional recipients as
>
> RCPT TO:<additional-recipient> NOTIFY=NONE
>
> (this requires Postfix 2.3 or later).
Plus, it requires that all systems down-stream from Postfix correctly
implement RFC 3461 (the SMTP DSN extension).
> SMTP proxies take a few lines of Perl, Python, etc.
Wietse
