Exim4 transport-filter to automatically and transparently encrypt outgoing emails for all recipients
Install:
cd /etc/exim4 git clone https://github.com/Interoberlin/exim-gpg-filter.git
Open /etc/exim4/exim4.conf and append a transport_filter line to the remote_stmp section:
remote_smtp: debug_print = "T: remote_smtp for $local_part@$domain" driver = smtp transport_filter = /etc/exim4/exim-gpg-filter/gpgfilter.py
Fre software under the terms and conditions of the GNU Affero GPL v3.
Report wishes and bugs here: https://github.com/Interoberlin/exim-gpg-filter/issues