sendmail error "Relaying denied. Proper authentication required. (state 14)."

Posted by renevdkooi on Server Fault See other posts from Server Fault or by renevdkooi
Published on 2011-02-07T14:07:32Z Indexed on 2011/02/07 15:27 UTC
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centos

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sendmail

I am an absolute newB on sendmail, now I installed sendmail, configured it (as far as i know) added localhost-names, added access entries added virtuser entry, opened port 25 in iptables.

Now when I connect from another location on the internet, and use telnet server.com 25 and use manual SMTP commands (HELO, MAIL From etc) the mail goes and arrives and gets put to the right user. but When I use another client and it's relayed by (for example google) I get this error back:

Relaying denied. Proper authentication required. (state 14).

What setting did I forget? Any config files I need to post so you can help me? I use CentOS 5.5 and the latest sendmail rpm

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