Spam Filters Comparisons

Spam filter and price*	Compatibility
Comparison Chart - Spam Filters
MailWasher Pro 6.1 Where to Buy (*est. $40)	Windows 98, Me, 2000, XP, Vista. Supports Hotmail, MSN, AOL and IMAP mail. Works with any desktop e-mail client. Free 30-day trial: http://www.mailwasher.net/
OnlyMyEmail Where to Buy (*est. $4 per month)	Any operating system. Supports POP3, IMAP mail. Supports Hotmail, Yahoo and AOL (when configured as POP3 mail). Works with any desktop e-mail program, including Outlook, Outlook Express, Eudora, Thunderbird, Apple Mail. Free 30-day trial: http://www.onlymyemail.com
Cloudmark Desktop 5.3/3.2.2 Where to Buy (*est. $40)	Windows 2000, XP, Vista; Microsoft Outlook 2000, XP, 2003, Vista; Outlook Express 5/6 Supports IMAP, POP3, SSL POP3 (Microsoft Outlook only), Microsoft Exchange (Microsoft Outlook only), Gmail using SSL POP3 (Microsoft Outlook only), MSN/Hotmail using HTTP or Hotmail Plus using POP3 or HTTP, Yahoo! Mail Plus using POP3. Free 15-day trial: http://www.cloudmark.com/desktop/
CA Anti-Spam Plus CA Website Inspector 2008 Where to Buy (*est. $50)	Windows 2000 (SP4+), Windows XP (SP1+) or Windows Vista; 256 MB RAM (512 MB for Windows Vista); 300 MHz or higher processor (800 MHz for Windows Vista); 40 MB of hard disk space Supports POP3 or IMAP mail through Outlook 2000 or newer, or Outlook Express or Windows Mail. No support for web-based e-mail or AOL.
POPFile 1.0 Where to Buy (free, http://popfile.sourceforge.net/)	All operating systems (requires Perl) Supports POP3 No support for some web-based e-mail. http://popfile.sourceforge.net/