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  SonicWALL Anti-Spam Desktop (32-bit version) 10 Jul 15

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  SpamAssassin in a Box 25 Feb 15

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  Benign 23 Sep 15

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  Policy Patrol Spam Filter for Exchange 64-bit 25 Jan 15

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  BullGuard Spamfilter 16 Apr 15

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  SpamTitan 21 Sep 15

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  Messenger Service Spam Filter 29 Oct 15

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  SpamCop Addin for Microsoft Outlook 7 Mar 18