Enigmail is a security add-on for Mozilla Thunderbird that allows you to use OpenPGP to encrypt and digitally sign your emails and to decrypt and verify messages you receive.

Enigmail is a security add-on for Mozilla Thunderbird that allows you to use OpenPGP to encrypt and digitally sign your emails and to decrypt and verify messages you receive.Enigmail enables Mozilla Thunderbird and SeaMonkey to send and receive digitally signed and/or encrypted messages using the OpenPGP standard.In order to provide the crypto-features, Enigmail requires GnuPG to be installed. and the latest versions of GnuPG contains the latest security fixes, so it should be up to date. If your operating system does not supply GnuPG by itself, you may download GnuPG for WindowsFeatures: Encrypt/sign mail when sending, decrypt/authenticate received mail Support for inline-PGP (RFC 4880) and PGP/MIME (RFC 3156) Per-Account based encryption and signing defaults Per-Recipient rules for automated key selection, and enabling/disabling encryption and signing OpenPGP key management interface.

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