SpamExperts - SpamExperts applies its proprietary smart technologies to eliminate spam, virus and malware mail before it reaches your network.

SpamAssassin - Use this program to "Unspam" your mailbox(es).

Datatune Spam Filtering - Datatune's hosted antispam solution is a cloud-based email security tool.

Oikik Antispam - Oikik is a cloud-based email filtering service that works with your existing email service.

Kundenserver - Kundenserver is an RBL-style host verification service to secure servers from spam emails.

Rspamd - Rspamd is an advanced spam filtering system that allows evaluation of messages by a number of rules...