MailWasher
Reliable spam filter and spam blocker software, protect your pc from unwanted email spam. control spam before you download it. over 7 million users
http://www.mailwasher.net/
G-Lock SpamCombat
Best spam blocker | this spam filter is an reliable antispam software that detects and eliminates spam from your inbox.
http://www.glocksoft.com/sc/
Pop monitor
Pop monitor
http://www.vechtwijk.nl/dev/
Spam Filter Service
Freespamfilter.nl
http://www.freespamfilter.nl/
SpamFighter
Spamfighter is een gemakkelijk, betaalbaar en prijsbeloond spamfilter wat meer dan 4 miljoen gebruikers beschermt.
http://www.spamfighter.com/lang_other/default_nl.asp
SpamBayes
SpamBayes
http://spambayes.sourceforge.net/
SpamWeasel
SpamWeasel
http://www.mailgate.com/products/spamweas/sw_feat.asp