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Old 28th September 2012, 19:22
till till is offline
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I tried email routing, relay recipients and almost everything in ISPConfig without success.
These settimgs are not relevant for relaying. the Relay settings are under System > Server config > Email.

According to the postfix error message, you tried to send a email without smtp authentication. So the first step you should do is to enable smtp aurhentication in your mail client, this is a client settings, not a setting of your server or in ispconfig.

I just find hard to believe that a "Perfect mail server" can't handle outgoing mails
It works on more then hundred thousand servers worldwide that use this setup, so it should work on your servera s well And it does not matter if you use the server on a datacenter or your local lan.
Till Brehm
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