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Email Self-Defense - a guide to fighting surveillance with GnuPG encryption
emailselfdefense.fsf.org
Email surveillance violates our fundamental
rights and makes free speech risky. This guide will teach you email
self-defense in 40 minutes with GnuPG.
关键词：GnuPG, GPG, openpgp, surveillance, privacy,
email, security, GnuPG2, encryption