progmaticltd / homebox

A set of ansible scripts to build a personal mail server / private cloud / etc.
https://homebox.space/
GNU General Public License v3.0
461 stars 52 forks source link

Implement GPG encryption upon reception #335

Open arodier opened 4 years ago

arodier commented 4 years ago

For emails confidentiality, it is possible to encrypt messages, using GPG, on reception, with a Postfix milter. After that, any mail client supporting GPG decryption should be able to decrypt the email.

This would prevent any user to read the messages received, even root.

There are probably many solutions available, I found this for now:

sorcer1122 commented 4 years ago

https://kb.mailbox.org/display/MBOKBEN/The+Encrypted+Mailbox These guys use Sieve to implement encryption of incoming emails