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Jon117 28th August 2011 05:46

Cant send or receive email
I have read through the forums to see if i can fix my problem, but so far no.

I installed ispconfig 3 using this tutorial

Everything is working fine (websites work fine) except for emailing.

I can send emails to other emails on my server but when i try to send out to yahoo or something, it never gets there. when i try to send email from yahoo it says

"Sorry, we were unable to deliver your message to the following address.

Remote host said: 550 #5.1.0 Address rejected [RCPT_TO]

Any and all help is appreciated

falko 28th August 2011 12:33

Please check if your server is blacklisted:

cbj4074 29th August 2011 22:06

Also, please examine your mail log in ISPConfig (Monitor -> Show Mail Log [under Logfiles]). If you find it simpler, you may access the same information by entering the following in a terminal:


tail -f -n 50 /var/log/mail.log
(press Ctrl+C to stop monitoring the log)

Do repeated errors that seem relevant to your problem appear in the log? You should see errors appended to the log in real-time, provided that you use tail's -f switch, as in the example above.

I've followed those "Perfect Server" tutorials, too, and one issue I've encountered is that there's no mention of the mydestination directive within /etc/postfix/ and the trouble that arises if its misconfigured.

Edit /etc/postfix/ and modify the line that contains the mydestination directive such that the machine's hostname is not included, leaving only mydestination = localhost, localhost.localdomain. Restart Postfix with:


service postfix restart
In my own experience, if this is not done, virtual mailboxes will have trouble receiving mail.

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