Suggest an alternative to

zeyple

Postfix filter/hook to automatically encrypt outgoing emails with PGP/GPG

Why do you think that https://github.com/roundcube/roundcubemail is a good alternative to zeyple

A URL to the alternative repo (e.g. GitHub, GitLab)

Here you can share your experience with the project you are suggesting or its comparison with zeyple. Optional.

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