I signed up for a free PGP key provider that worked with my Gmail account. I set it up to work with Apple Mail in Mac OS X Lion. Now, I realize I never use this encryption key, and I want to remove the service from my Gmail account setup. How can I find out what it is the service that I signed up for called, and how to remove it from my account?
Hard to guess what you might be using, and until that is known removing it is tricky. Two possibilities to try work out what it is: