Vincent Lefevre <vinc...@vinc17.net> wrote: > On 2016-12-15 10:41:58 +0100, Sven Hartge wrote:
>> Next is a check if the sending IP resolves correctly and the hostname >> resolves back to this IP. > ^^^^^^^^^^^^^^^^^^^^^^^^ > I wonder whether this rule should really be used. A hostname may > resolve to multiple IP's, and for some reasons, the original IP may > not be in the list (e.g. if truncated). This is why this should not be a hard and final filter criterion but just a hint you might want to look at this email a bit more in-depth. S° -- Sigmentation fault. Core dumped.
