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  SMTP Preprocessor 20 Jan 15

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  IPS Spam Filter 2 Nov 15

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  Official Spam Filter for MS Outlook 24 Sep 15

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  ZAPaSpam for Outlook 21 Sep 15

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  GFI MailEssentials 20 Jan 15

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  SpamBully for Windows Live Mail 26 Jan 15

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  Comodo Antispam Desktop 2005 25 Oct 15

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  Caretaker Antispam for Exchange ServerTwo (64-bit) 26 Jan 15