Unable to Decrypt Email Sent From Outlook 2010
Some users of Outlook 2011, Thunderbird, and Apple Mail have reported not being able to decrypt encrypted email sent from Outlook 2010.
If you are unable to decrypt a message from an Outlook 2010 user, please send the user to the Some email clients unable to decrypt email sent from Outlook 2010
article in the Microsoft Knowledge base for instructions on fixing this.
Last updated November 16, 2012 @ 4:40 pm
