Michael:
> Hi,
> in master.cf I've defined a Procmail service that pipes a mail to
> Procmail for content filtering.
>
> procmail unix - n n - 10 pipe
> flags=Rq user=vmail null_sender= argv=/usr/bin/procmail -m
> /etc/procmailrc ${sender} ${recipient} ${domain}
>
> The ${recipient} variable always passes the recipient passed from the
> sender.
Do your alias expansion *before* the filter instead of after.
http://www.postfix.org/postconf.5.html#receive_override_options
http://www.postfix.org/FILTER_README.html
Wietse
