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 .
Rspamd - Rspamd is an advanced spam filtering system that allows evaluation of messages by a number of rules...
Kaspersky Anti-Ransomware Tool for Business - A free software that offers complementary security to protect corporate users from ransomware.
Oikik Antispam - Oikik is a cloud-based email filtering service that works with your existing email service.
AppCheck Anti-Ransomware - Protect your PC with 100% Signatureless Anti-Ransomware AppCheck