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Old 5th October 2011, 20:20
maxtorzito maxtorzito is offline
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Falko i change the /etc/postfix/main.cf and in the option relayhost, i set this:
relayhost = mail.cablered.net.mx

where mail.clablered.net.mx is mi ISP provider, now some emails from my domain to gmail arrived OK, but sometimes others don't and receive this email:

The following message to <maxtorzito@gmail.com> was undeliverable.
The reason for the problem:
5.3.0 - Other mail system problem 550-"5.7.1 [] The IP you're using to
send mail is not authorized to\n5.7.1 send email directly to our servers. Please use
the SMTP relay at your\n5.7.1 service provider instead. Learn more at               
         \n5.7.1 http://mail.google.com/support/bin/answer.py?answer=10336

i did not change my DNS, and i change the relayhost line because im desperate and i don't know what more i can do!!

i attach my main.cf file as txt.

My ISP said me they set de reverse DNS:

do i have to do something with this? do i have to create a dns in ISPConfig? what kind of dns? how?

Thaknk for your patience
Attached Files
File Type: txt main.txt (28.5 KB, 98 views)

Last edited by maxtorzito; 5th October 2011 at 22:46.
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