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Thread: Spam - Research Promo Center

  1. #1
    Join Date
    Apr 2014
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    Default Spam - Research Promo Center

    I receive hundreds of spam messages weekly. Zimbra's junk mail filter does a very good, but not perfect job filtering them to "Junk".
    There are many unsolicited spam messages that arrive in my Inbox with "Research Promo Center, 700 N Valley St Suite B, Anaheim CA 92801" buried deep within the body, and no matter how many of these I tag as Spam and get moved to the Junk folder, Zimbra's anti-spam system doesn't seem to notice this common "Research Promo Center" content that is indicative of a spam sender.

    Just letting you know, and asking if there's any better way to train the system to recognize this garbage. Thanks!

  2. #2
    Join Date
    Mar 2008
    Rep Power


    Did you find a solution in the mean time? I am affected with the same issue. This type of spam is becoming very annoying

    Here is part of the message header (changed my server name to '' and replaced keys with '<removed>':

    X-Virus-Scanned: amavisd-new at
    X-Spam-Flag: NO
    X-Spam-Score: 3.608
    X-Spam-Level: ***
    X-Spam-Status: No, score=3.608 tagged_above=-10 required=5 tests=[BAYES_99=3.5, DKIM_SIGNED=0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_DKIM_INVALID=0.01] autolearn=no
    Authentication-Results: (amavisd-new); dkim=fail (1024-bit key) reason="fail (body has been altered)"; domainkeys=fail (1024-bit key) reason="fail (message has been altered)"
    Dkim-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; s=public;; h=MIME-Version:From:To:Subject:Content-Type:Content-Transfer-Encoding:Message-ID:Date;; bh=<removed>; b=<removed>;
    Domainkey-Signature: a=rsa-sha1; c=nofws; q=dns; s=public;; b=<removed>;

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