292153Re: Trouble configuring backup MX to reject unauth destination
- Mar 22 1:55 PMTitanus Eramius:
> Besides aptget.dk this server also hosts cogky.dk (among others), andWhere is cogky.dk defined: mydestination, virtual_alias_domains,
> while unknown recipients is being correctly rejected with a 550 when
> sent to aptget.dk, they are not when sent to the other virtual domains.
> Instead they are accepted and then returned by the MAILER_DAEMON, which
> in turn opens the server to backscatter.
virtual_mailbox_domains, relay_domains? It must be only one.
This answer determines where the "known" recipients must be listed:
local_recipient_maps, virtual_alias_maps,m virtual_mailbox_maps,
relay_recipients. If you list the domain or recipients in the wrong
place then mail will be rejected.
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