Exchange 2013 Distribution Group Issues
I just migrated from Exchange 2007 to 2013. The 2007 server has been decommissioned completely. All is well except for the distribution groups... I can successfully email the groups from my outlook, but if a 3rd party application tries to email those groups the mail never gets delivered. For example..... I have Backup Exec 2014. It is configured to email notifications when the backups are completed.... It is supposed to email a distribution group called ITGROUP. It no longer works. BUT, if I change the recipient address in backup exec to my email address it works. So, it appears that the RELAY portion is working for individual email addresses, but not groups. I am having this issue with multiple 3rd party applications when emailing to groups... And all of these notifications were working prior to the migration.
PLEASE HELP.
PLEASE HELP.
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So far no response.... please help....
ASKER
I have created a custom FRONTEND TRANSPORT receive connector.
Under AUTHENTICATION I have enabled ONLY TLS, and under PERMISSION GROUPS I have enabled ONLY ANONYMOUS USERS.
Under Receive mail from servers that have these remote IP addresses I have added ALL IP addresses of remote servers wanting to relay mail like Backup Exec server... Among others....
And finally, under Network Adapter Binding I have left the default:
(All available IPv4) Port 25
What am I missing? And why does it work if I use a specific email address of one user, but not the group?