I am trying to configure our Exchange 2010 to accept and send emails from multiple domains.
I have followed the giude here,
Everything is correct. my first domain works fine, will send and recieve emails. i am having problems with the second domain i have added. The server will accept incoming mail but when i try and send mail i get an error saying,
t #550-Verification failed for <firstname.lastname@example.org.
uk> 550-Unrouteable address 550 Sender verify failed ##
Not sure how to fix this problem. any ideas would be appreciated.