Error 5.2.1 on a newly migrated server.

E

eLINIA

Hi everyone

We recently moved a division onto their own server(ServerB) from our
original Exchange 2003 server(ServerA). Both have their own seperate
domains and domain controllers. Each platform (dc and email server) is
physically and logically seperate from each other.

Users on ServerB can send email to ServerA succesfully. They can also send
and receive external email successfully.
However when ServerA users send email to ServerB users they receive a 5.2.1
error.

I've stripped out all mention of this Division from receipiant policies, DNS
zones of the seperate division from ServerA but no luck.

Any idea where else I should look?
 

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