Originally Posted by kman42
I suddenly stopped being able to encrypt/sign my .mac mail and I can no longer participate in encrypted iChats. I finally just deleted my certificate and started over, but that doesn't seem to have helped. I still can't sign/encrypt emails. I've turned on encryption in iChat and it added a cert to my keychain. I then turned on 'Search .Mac for certificates' in keychain and relaunched Mail. Nothing. Any ideas? I've run Keychain First Aid as well.
kman
You can encrypt/sign your mail in OS X Mail using GPGMail regardless of whether you have a .Mac account, just FYI.
Is .Mac doing S/MIME certs, or PGP signing/encrypting? If the latter, deleting your private/public key pair is definitely a bad idea, as those who have a copy of your old public key will no longer be able to verify your signature until you issue a new public key.
If encryption/signing is important enough to you, I'd suggest learning a little bit more about how this works rather than just clicking on stuff and trusting that it is doing something desirable.
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