Thunderbird Configuration on Windows for Secure Mail
Set OpenPGP Options for your e-mail account
- Edit the new configuration option for OpenPGP Security under Edit | Account Settings (then Server Settings which corresponds to your e-mail account)
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Enable OpenPGP support
- The default Use email address of this identity to identify OpenPGP key is fine because GPG can lookup your Key ID from your e-mail address.
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Sign encrypted messages by default
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Use PGP/MIME by default (this is very important
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- Proceed to the Next step