In Exchange 2007 / 2010 / 2013, VIPRE Email Security uses Impersonation to quarantine spam and check the contents of a user's Allowed/Blocked Senders Folders & Contact list.
If this feature is not configured correctly, issues such as scored spam messages being delivered to inboxes can occur.
Testing Microsoft Exchange's Impersonation:
Note: The following is to be performed on Exchange's Hub-Transport Server
- Open a Web Browser (Internet Explorer, Firefox, Chrome, etc.)
- Navigate to Exchange's OWA Website for a user receiving Spam:
- Example: ExchangeServerName / owa / User@Domain.com
- At the login page, enter the Impersonation Account's credentials
If the login fails, run through the following article and attempt the process again: