New answers tagged reverse-dns
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Too many connect from unknown postfix
The root cause of the "problem" (which is not actually a problem) is that Postfix will log connect from unknown[IP] when it fails FCrDNS. This means Postfix tries to first look up the PTR ...
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Proper rDNS in a multidomain server using the same IP
While Greg's answer is a little tongue-in-cheek, it's not outright wrong.
Since you are hosting multiple clients that all use the same outgoing IP address for email, there's not going to be a "...
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Proper rDNS in a multidomain server using the same IP
What should the rDNS look like to affect all domains?
dontjunkmailmebro.mydomain.com
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