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  MailWasher Enterprise Server 4 Mar 16

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  Mailshell Domino Plug-in 26 Oct 15

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  SpamCop Addin for Microsoft Outlook 7 Mar 18

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  Benign 23 Sep 15

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  SpamAssassin in a Box 25 Feb 15

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  Agnitum Spam Terrier 21 Jan 15

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  Spamfighter 9 Dec 14

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  WorkgroupMail (German) 29 Oct 15