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  SpamBox 26 Oct 15

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  BullGuard Spamfilter 16 Apr 15

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  SpartacusFilter for Microsoft Exchange Server 22 Sep 15

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  Spam Filter Express 26 Oct 15

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  Official Spam Filter for MS Outlook 24 Sep 15

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  Casper Spam Hunter 29 Oct 15

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  SonicWALL Anti-Spam Desktop (64-bit version) 10 Jul 15

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  MRFilter: Spam and Virus filter for Communigate Pro 28 May 15