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by waluszek
Sat Jul 08, 2017 11:36 pm
Forum: Beginner Basics
Topic: port forwarding problem to mailserver zimbra
Replies: 2
Views: 1659

port forwarding problem to mailserver zimbra

Hello all, I have a problem with port forwarding to mail server, zimbra. The server is behind nat, after redirecting single ports the mails do not reach the server. But when I redirect the range 1-65535, it causes the mails to arrive correctly. Does anyone have an idea what could be causing such a b...