VERY strange outlook/Exchange problem

VERY strange outlook/Exchange problem

Post by Stu » Fri, 18 Jan 2002 18:19:53

Outlook 2000 on Windows 2000 pro (sp2), Exchange 2000 (sp1), Window 2000
server (sp2)

I have a problem when sending mail to a select few domains for just a couple
of users out of approx 40 users.

An email can be sent to UserA from a domain (eg and
received by UserA. UserA replies, but the exchange server gives the error
"Your mail system could not find a way to successfully communicate with the
destination system."

However, userB on a different workstation can send mail to that domain
without a problem - using Outlook connected to the same exchange server (we
have only the one).

UserA has tried logging on to a different workstation but still Exchange
server returns the error message.

I have run exhaustive tests and always UserA cannot send mail to *some*
domains whereas all other users can.

Has anyone experienced anything similar?

Thanks, Stuart.


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