troubleshooting Question

Exchange 2010 server cannot send to a specific domain

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philblackburnFlag for United Kingdom of Great Britain and Northern Ireland asked on
Windows NetworkingServer SoftwareEmail Servers
8 Comments1 Solution383 ViewsLast Modified:
I manage a 2010 Exchange Server that has developed a problem.  The server cannot connect to a specific domain to send email.  The other domain can send to us. This seems to only effect a single domain.

I am struggling to understand the detail of the problem.  Changing the logging to verbose has these error
452 4.3.1 Insufficient system resources,
503 5.5.2 Need mail command,

I understand that this points to back pressure but I cannot see any stress on the server.

I cannot seem to identify it the error is with my server and isp internet problem or an issue with the other domain
ASKER CERTIFIED SOLUTION
bas2754

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