Koozali.org formerly Contribs.org

cannot send or receive emails outside my domain suddenly why

Hi when i send email or receive email inside my network it is working
locally but when i send email to outside domain(gmail,yahoo,etc) it
come in outbox of outlook(i using outlook in employee system)
also it not receive emails from outside domain(gmail,yahoo,Hotmail,etc)
this problem getting suddenly meaning i already send or receive to outside my domain
my domain altawi.com.sa
but why this happen suddenly i don't know
the mail server internet access success
Why this problem happen and how to solve

Re: cannot send or receive emails outside my domain suddenly why
« Reply #1 on: July 14, 2015, 02:34:54 PM »
Please see the earlier thread which you started on the same topic:

http://forums.contribs.org/index.php/topic,51814.0.html