mirror of
https://github.com/mailscope/kumomta.git
synced 2026-09-05 10:08:56 +00:00
321 B
321 B
prohibited_hosts
A CIDR list of hosts that should be considered "poisonous", for example, because they might cause a mail loop.
When resolving the hosts for the destination MX, if any of the hosts are
present in the prohibited_hosts list then the ready queue will be immediately
failed with a 550 5.4.4 status.