[Error in Mail Log file]
Failed to create user role for User: Admin User3 Role PortalEndUser Cannot insert duplicate key row in object 'dbo.tps_user' with unique index 'index$tps_user$name'. The duplicate key value is (Admin User3).
Inbound mail creates a username ending in a number
Run the Script to convert all usernames ending with a number to an underscore
Apply the trigger to the DB that will convert number to underscore when created via inbound mail
* Trigger & Script attached