Customer is running exchange 2003, they had a unrecoverable server failure, restored their system from an image backup to a VMware host. I had to clean the public datastore but the private looked clean. I did run a defrag on it anyway. Emails are working for some but not most employees. Initially the issue was they could send but not receive emails from outside the network but now it appears some cannot send internal emails, getting this message..."was rejected due to the current administrative policy by the destination server". I believe exporting the mailbox manually to pst and recreating the mailbox and reimporting the pst resolves the ability to receive outside emails issue. Exmerge and scanpst fail to work in every case, there are over 300 mailboxes.
I'm kinda stuck not sure where the issue lies with internal rejection, is it a spam filter, information store issue, etc...the logs look okay.