Lukas Vesely writes:

Hi all,
I'd like to ask whether it's possible to block somehow domains, that have in their MX relays 127.0.0.1. Like:


#testmxlookup domain.com
Domain domain.com:
Relay: mail.domain.com, Priority: 10, Address: ::ffff:127.0.0.1

Spammers start to use this trick-like mail from @omni-net.net, domain exists so Courier accepts it ..

Put badmx 127.0.0.1 into bofh.




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