Pignus Encryption - Pignus Encryption is an encryption platform that allows users to encrypt their messages and documents.
SpamAssassin - Use this program to "Unspam" your mailbox(es).
DeliverySlip - DeliverySlip helps simplify, secure, and expedite the burdensome elements of online collaboration...
MailScanner - MailScanner is a open source email security system design for Linux-based email gateways.
Toolsley PGPigeon - Simple but powerful OpenPGP-compatible message encryption webapp.
Rspamd - Rspamd is an advanced spam filtering system that allows evaluation of messages by a number of rules...