Unable to Relay emails to External domains (Exchange SMTP Relay)

Exchange Relay issue

When you try to relay emails Internal email works fine however unable to send emails to external domains.

Error:

Solution:

Get-ReceiveConnector “ServerCAS01\App Connector” | Add-ADPermission -User ‘NT AUTHORITY\Anonymous Logon’ -ExtendedRights MS-Exch-SMTP-Accept-Any-Recipient

After the change:

One comment

Leave a Reply

Your email address will not be published. Required fields are marked *