SpamAssassin - Use this program to "Unspam" your mailbox(es).
Malwarebytes - Malwarebytes protects you against malware, ransomware, and other advanced online threats that have made antivirus obsolete and ineffective. Free Anti-Malware & Malware .
MailScanner - MailScanner is a open source email security system design for Linux-based email gateways.
Kaspersky AntiVirus - Download the best FREE antivirus for Windows-based desktops, laptops, & tablets and get the core protection against viruses, spyware, phishing & dangerous websites.
Rspamd - Rspamd is an advanced spam filtering system that allows evaluation of messages by a number of rules...
ESET NOD32 Antivirus - Best IT security solutions for your home and business devices. Try ESET antivirus and internet security solutions for Windows, Android, Mac or Linux OS.