James D. Parra:
> Hello,
>
> I want to restrict postfix to only send mail to our domain, yet to no others.
> In other words, I want to set it up to not send mail to any outside address
> and only to accounts within our domain (anyuser@our_domain_only.com). This is
> a test server and is not a mail server, per say. Postfix will only be send
> mail for users who are logged into it. (SuSE 11.4)
>
> Could someone point me to a howto for mail restrictions when sending.
Something like this:
/etc/postfix/main.cf:
transport_maps = pcre:/etc/postfix/transport.pcre
/etc/postfix/transport.pcre:
/@(example\.com)$/ smtp:$1
/(.+)/ error:5.7.1 Mail to $1 is prohibited
See also:
http://www.postfix.org/transport.5.html
http://www.postfix.org/error.8.html
http://www.postfix.org/pcre_table.5.html
It does not block user%elsewh...@example.com, nor does it stop
elsewhere!u...@example.com. These are left as an exercise for the
reader.
Wietse
