April 8, 2014 Marks Exchange Server 2003 End-of-life
...Please not that online content may remain available as long as Exchange 2003 remains in the self-help online support phase, but I am not sure how long that will last. Microsoft writes, “Companies running Exchange 2003 after April 8, 2014 will be responsible for their own for support. More importantly, because Microsoft will no longer provide security updates, companies that choose to continue running Exchange 2003 accept the risk associated with....