I've had a problem for awhile with a Gmail account linked to Mail, which arose last summer after I upgraded to Lion. When I try to send a signed message (signed, in terms of security, not a signature ...
My wife and I are both running current versions of OS X (10.7.2) and Adium (1.4.3). We both use gmail accounts in it for instant messaging. She launched Adium yesterday, and it complained that ...