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Mail, unlike the web, travels unprotected over the internet. We can protect our messages from modifications that alter our messages (signing) or protect them so that they can only be decrypted by the recipient of our message (encrypt).
This guide from Pangea explains everything you need to know to make your email more secure, beginning with plain-language explanations of the concepts involved and then moving on to the tools you will need and easy-to-follow instructions on how to use them.
This guide was produced with the support of the Association for Progressive Communications (APC) through a subgrant made possible by the Swedish International Development Cooperation Agency (Sida).