• 

  Casper Spam Hunter 29 Oct 15

• 

  Trust Filter 29 Oct 15

• 

  Letterman Spam Control Pro 24 Sep 15

• 

  X-Spam 27 Oct 15

• 

  SpamAssassin in a Box 25 Feb 15

• 

  Junk-Out 1 Nov 15

• 

  Visendo Mail Checker Server 2006 23 Sep 15

• 

  BullGuard Spamfilter 16 Apr 15