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unable to send emails out - exchange 2003

Posted on 2010-11-18
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Last Modified: 2012-06-27
Hello experts!!!

I need your guide to find out why my exchange server is unable to receive emails from outside, we are able to send to outside & my users are not able to use the webmail services either...
I have restarted the exchange and barracuda firewall...
in my barracuda I don't see any traffic coming from outside ...

I don't get any errors back (I sent a test from yahoo to my email).

Any ideas what could be happening??

THanks a lot
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Question by:ARPI
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LVL 20

Expert Comment

by:EndureKona
ID: 34164388
From the outside can you telnet to the barracuda?  

from a command line telnet mxrecord 25  do you get a banner?   If not check your firewall to see if there is a rule forwarding smtp to the barracuda.    Post your results here...

Reboot the barracuda if you have not done this already.

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Author Comment

by:ARPI
ID: 34164577
endurekona,

using the telnet session when I enter instruction rcpt tp: email@yahoo.com I got the error...." UNable to relay for email@yahoo.com....

I have alse rebooted the barracuda and still unable to view any traffic...
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LVL 20

Expert Comment

by:EndureKona
ID: 34164600
Ok if you send from a Gmail Account to yourself do you get a bounce back?

Can you bypass the barracuda as a temp test to see if you receive email?   Just change the firewall forward rule to your exchange box.
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Author Comment

by:ARPI
ID: 34164688
endurekona,

No, I don't get any emails back from the gmail/yahoo, I dont' get any error messages.


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Accepted Solution

by:
EndureKona earned 500 total points
ID: 34164718
Can you remove the barracuda from the question?   change your firewall rule to forward SMTP to the exchange box?

I believe the issue is with the barracuda.
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Author Closing Comment

by:ARPI
ID: 34165175
The issue was that my users had pushed the reset button of my router and configuration was wiped out...i

until you guys told me to check firewall- barracuda I check there was no configuration routed to it...

THanks a lot!!!
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