Gerald Galster: > <> is valid by definition and does not depend on mynetworks, besides you're > right that most external bounces are spam. The initial question was why > reject_non_fqdn_sender did not apply.
The envelope sender address <> must not be blocked by
reject_non_fqdn_sender.
It would be a mistake similar to blocking all ICMP on a firewall.
Wietse
