GPG Suite¶
According to GPG Tools official website GPG Tools is used “to encrypt, decrypt, sign and verify files or messages. Manage your GPG Keychain with a few simple clicks and experience the full power of GPG”. GPG Suite is an implementation of GPG for Mac OS X with a keychain and an Apple Mail extension.
Automatic update check¶
It is recommended to keep software always updated. To enable automatic update check, go to:
Open Apple Mail ⇒ Preferences ⇒ GPGMail panel
Check “Automatically check for updates” option.

Check installation package signature¶
The installation package is provided with an hash signature and a GPG signature. It is recommended to check digital signature before the installation.
Encrypt drafts¶
It is recommended to store mail drafts in an encrypted format, to avoid leak of draft emails saved in clear text. To enable drafts encryption, go to:
Open Apple Mail ⇒ Preferences ⇒ GPGMail panel
Check “Encrypt drafts” option.
