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In the previous post about setting up a email server, I explained how I setup a forwarder using Postfix. This post will look at setting up Dovecot to store emails (and provide IMAP and authentication) on the server using GPG encryption to make sure intruders can’t read our precious data! Architecture The basic architecture chosen for encrypted storage is that every incoming email is delivered to postfix via LMTP, and then postfix runs a sieve script that invokes a filter that encrypts the email ...