Wietse Venema:
> Ron Garret:
> > Is there an easy way to tell postfix to send a copy of every message
> > it receives to a ?shadow server? in a way that preserves the SMTP
> > envelope? I?m trying to tune a spam filter on actual data, but I
> > don?t want to do it on my production server because the tuning is
> > likely to break things.
>
> Add a BCC recipient in an invalid domain, route the invalid domain
> to the shadow server, then strip that domain during delivery. This
> works as long as you don't receive mail for the invalid domain.
>
> Wietse
>
> Modulo some typos:
>
> /etc/postfix/main.cf:
> recipient_bcc_maps = pcre:/etc/postfix/recipient_bcc.pcre
> smtp_generic_maps = pcre:/etc/postfix/smtp_generic.pcre
> # Use a hash: map if you're stuck with 7+ year old Postfix 2.x.
> transport_maps = inline:{{invalid = smtp:shadow.example.com}}
The transport_maps key needs to be ".invalid" unless you tweaked
the parent_domain_matches_subdomains setting.
> /etc/postfix/recipient_bcc.pcre:
> /^(.+@my\.domain)$/ $1.invalid
>
> /etc/postfix/smtp_generic.pcre:
> /^(.+)\.invalid$/ $1
>
>
>
