On Sun, Jul 19, 2015 at 10:44:09PM -0500, John Gateley wrote:
> However, the question still remains: how can I test this without actually
> making one of my domains live?
Define "test".
It will work as documented. If you want to see what it would block
without blocking anything, consider:
smtpd_client_restrictions =
warn_if_reject reject_unknown_reverse_client_hostname
http://www.postfix.org/postconf.5.html#warn_if_reject
Perhaps also:
soft_bounce = yes
http://www.postfix.org/postconf.5.html#soft_bounce
--
Viktor.
