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email work for gmail and hotmail but not for regular email
https://forum.linode.com/viewtopic.php?f=11&t=4919
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Author:  ezzine [ Thu Dec 03, 2009 12:30 pm ]
Post subject:  email work for gmail and hotmail but not for regular email

i have setup postfix in my linode following linode library it work when i send mail to gmail ,hotmail ,yahoo but not for regular email whom is working when i send to them from gmail

does any one have any idea what the problem can be ?

Author:  BarkerJr [ Thu Dec 03, 2009 10:17 pm ]
Post subject: 

When I used sendmail, it wrote errors to /var/log/maillog. Maybe postfix does something like that?

Author:  ezzine [ Fri Dec 04, 2009 3:26 am ]
Post subject: 

Dec 4 11:14:54 ubuntu postfix/smtp[7917]: D4124101D0: to=<yassine.ezzine@servi.com.tn>, relay=mx2topnet.ingw.tn[193.95.97.67]:25, delay=8990, delays=8985/2.9/1.6/0.69, dsn=4.0.0, status=deferred (host mx2topnet.ingw.tn[193.95.97.67] said: 451 #4.1.8 Domain of sender address <www-data@ubuntu.dev-station.com> does not resolve (in reply to MAIL FROM command))

this is the error in log file

how to fix this

Author:  sambrereton [ Fri Dec 04, 2009 6:40 am ]
Post subject: 

It cannot resolve the domain

ubuntu.dev-station.com

Are you sure the A/CNAME Record is active? It won't accept mail because it cannot resolve that domain, and neither can I.

This must be the root of your problem.

Author:  ezzine [ Fri Dec 04, 2009 6:52 am ]
Post subject: 

this is the old domaine name
what to do chnage it

Author:  BarkerJr [ Fri Dec 04, 2009 7:31 am ]
Post subject: 

I'm going to guess that's the server name. In CentOS, you'd change it in /etc/sysconfig/network and reboot.

Author:  ezzine [ Fri Dec 04, 2009 9:57 am ]
Post subject: 

i found it in
/etc/mailname
now everything works fine
thanks any away

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