Halassy Zolt??n: > Hello! > > (sorry for my trash-english) > > Will Postfix handle properly multiple PTR records when > reject_unknown_client_hostname is in effect?
Postfix does not handle PTR records.
Postfix takes the first hostname that the getnameinfo() system
library function returns, and if the first hostname resolves to
the client IP address, then Postfix considers the first hostname
as "good". Postfix never looks at the second etc. hostname.
Wietse
