Am 12.03.2011 14:19, schrieb Stan Hoeppner: > Wietse Venema put forth on 3/11/2011 8:55 PM: >> Stan Hoeppner: >>> I've often wondered why MX lookups aren't disabled automatically when >>> setting relayhost=. >> >> Because there is no way to turn it on! A feature that can't be >> turned off is a bug. >> >> Wietse > > Maybe I asked my question in the wrong way Wietse. What I'm wondering > is how doing MX lookups is ever useful when relayhost is set. I don't > see how it could be. If it's never useful when relayhost is set, then > it makes sense to me to automatically disable it when relayhost is set.
sorry but this is a little naive and would break many setups like this where the machine is MX/SMTP for custormers AND using a relayhost, so you will not tell us a magic configurations would be good - a daemon has not to decide what options the admin meant, the admin has to learn which he needs smtpd_recipient_restrictions = permit_mynetworks, reject_authenticated_sender_login_mismatch, reject_non_fqdn_recipient, reject_non_fqdn_sender, permit_sasl_authenticated, reject_unauth_destination, reject_unknown_sender_domain, reject_unknown_recipient_domain, reject_invalid_hostname, reject_unauth_pipelining > Obviously I lack understanding of MX lookups in relation to relayhost. > Please explain how to the two interact
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