Red Hat Bugzilla – Bug 620804
Unable to decrypt s/mime-encrypted messages from Outlook 2010
Last modified: 2010-08-05 12:20:34 EDT
Apparently Outlook 2010 "more fully implements the S/MIME RFC," but breaks s/mime communication with other email clients. See this MS resource for more information:
This will probably quickly become a critical issue for your commercial clients (if it hasn't already).
Thanks. Moving this upstream so the rest of the developers see it.