Spam Arrest - When you signup for Spam Arrest, you will receive a new @spamarrest.com email address. You can also protect your existing email accounts by forwarding them to your Spam Arrest email address, or by having Spam Arrest periodically poll them.

Mail Protector - "Protecting users since 1999, Mailprotector helped pioneer the managed email security industry. Since then Mailprotector has grown into a complete managed security suite providing uninterrupted virus and vulnerability scanning, spam and phishing filtration, attack and email backup protection to more than 1,500 business, government and not-for-profit organizations."

Mailshell.com - Choose the world's first, best, and most licensed anti-spammer and anti-phisher engine. Mailshell's primary focus is to provide the easiest, most advanced, embedded management API for integrating anti-spam with existing products and applications.

MailWasher - MailWasher is free to use and won't ever expire. Use this powerful spam filter /spam blocker software, to effectively stop email spam. Discover the safe way to stop unwanted e-mails before they get to your computer.

Peer to Peer - PeerToPeer.net spam filtering technology works by changing your domains MX (mail exchange) record or your email client setting to redirect your incoming email messages through our secure Anti-Spam Gateway Firewall (they provide you instructions on how to make these changes). Email is then filtered before it reaches your companies email server or ISP. There are no administrative tasks for you to struggle with, and no hardware or software to purchase. Peer-to-Peer's spam filtering service eliminates 99% of your junk email and all viruses that come along with it. Great Pricing.