November 21, 2011 
How to test SharePoint Outgoing Mail server ?
Simple Com Tools SMTP Test Tool is an SMTP testing application that provides the ability to initiate and monitor a complete email (SMTP) transaction from any PC. Designed with both end-users and network professionals in mind, SMTP Test Tool can send both authenticated and non-authenticated messages, allowing you to watch the transaction in real-time and capture any potential errors or transaction failures.
Download: http://www.simplecomtools.com/productcart/pc/viewPrd.asp?idproduct=5&idcategory=5
