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No Transport Error

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Oct 20, 2003
71
US
Here is the situation.

W2K Server
XP workstations
No Exchange - using pop3 hosted offsite.

Out of the blue yesterday 3 desktops cannot send mail out, it gets bounced back right away with a "No transport provider available" error message.
Both incoming and outgoing servers are working (I have checked from another location)
I CAN email to their domain which does go out to a remote pop server and come back, there is no exchange server running.
The domain name and the AD domain are the same domain.org.
I have already put in the entry in DNS to forward to the website.
This started before I made this entry.

I have checked my ipconfig and it the default gateway is correct. Mail is able to get out as long as I am sending it to their domain. All others fail!!!!

So where does my problem reside?!?!
 
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