I have both a GPG key and an SSL certificate. I am able to sign emails by choosing OpenPGP or S/MIME in the upper right corner of the window: I can then activate the signing by clicking the ...
I just upgraded from Lion to Mountain Lion. I have eight email accounts set up in Mail.app. Some of my SMTP servers support SSL and some don't. But now Mail.app turned SSL on for every server (except ...
BACKGROUND I upgraded from 10.7 to 10.8 on 7/28/12 I upgraded Xcode from 4.4 to 4.4.1 on 8/8/12 PROBLEM On 8/9/12, on my MacBook Air, Mail.app refuses to connect to the SMTP service on a server ...