Current: win2k + ex2k and upgrade server: win2k3 and ex2k3.
Problem sending email from old server to new.
Migrated test user ok. On sending email to migrated user the message sits in queue on ex2k until I delete. Message describes ‘delay’ delivering. On deletion of msg from queue the ndr report describes: “..message was rejected due to the current administrative policy by the destination server..”.
ex2k3 re-instlled many times; all exchange services appear ok. can send email from new to old (delivered immediately).
Can’t send email to migrated user mailbox, message sticks in current server smtp queue until deletion.