AppCheck Anti-Ransomware - Protect your PC with 100% Signatureless Anti-Ransomware AppCheck
SpamAssassin - Use this program to "Unspam" your mailbox(es).
Malwarebytes Anti-Ransomware - It keeps track of all activity and, once it has enough evidence to determine a certain process or...
MailScanner - MailScanner is a open source email security system design for Linux-based email gateways.
CryptoPrevent - CryptoPrevent is an Anti-Virus/Security Software Supplement, originally designed in late 2013.
Rspamd - Rspamd is an advanced spam filtering system that allows evaluation of messages by a number of rules...