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How do I filter spam from user email being forwarded?

Discussion in 'E-mail Discussions' started by dave_aiello, Feb 24, 2005.

  1. dave_aiello

    dave_aiello Registered

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    I have a customer with a user who has a POP3 account on one of my cPanel servers and also has a Blackberry running on Nextel. The administrative user at my customer set up a forwarder from user@cpaneldomain.com to user@nextel.blackberry.net.

    The domain in question has SpamAssassin and the Spam Box enabled.

    The issue is that the Blackberry is getting messages from the mail server alerting the user to spam that it detected. Here is an example:


    From: Gift Dept <vtbgbgzzkmabtfvz@wildenough.com>
    Date: Wed, 23 Feb 2005 13:30:37
    To:"User" <user@cpaneldomain.com>
    Subject: Claim your Apple Ipod 40GB

    Spam detection software, running on the system "some.cpanelserver.com", has
    identified this incoming email as possible spam. The original message
    has been attached to this so you can view it (if it isn't spam) or label
    similar future email. If you have any questions, see
    the administrator of that system for details.

    Content preview: To no longer receive mail from this recurring list:
    Send a blank email OR Send a postal mail to Good Times, 123 North
    Congress Avenue Suite 180, Boynton Beach, Florida 33426 [...]

    Content analysis details: (5.7 points, 5.0 required)

    pts rule name description
    ---- ---------------------- --------------------------------------------------
    0.0 TO_ADDRESS_EQ_REAL To: repeats address as real name
    0.0 HTML_TEXT_AFTER_HTML BODY: HTML contains text after HTML close tag
    0.1 HTML_TEXT_AFTER_BODY BODY: HTML contains text after BODY close tag
    0.0 HTML_MESSAGE BODY: HTML included in message
    0.2 MIME_HTML_ONLY BODY: Message only has text/html MIME parts
    0.0 HTML_IMAGE_RATIO_02 BODY: HTML has a low ratio of text to image area
    0.0 HTML_90_100 BODY: Message is 90% to 100% HTML
    -0.4 BAYES_05 BODY: Bayesian spam probability is 1 to 5%
    [score: 0.0335]
    0.0 MIME_QP_LONG_LINE RAW: Quoted-printable line longer than 76 chars
    0.1 RCVD_IN_SBL RBL: Received via a relay in Spamhaus SBL
    [207.170.100.21 listed in sbl-xbl.spamhaus.org]
    1.0 URIBL_SBL Contains an URL listed in the SBL blocklist
    [URIs: wildenough.com 1100i.com]
    1.5 URIBL_WS_SURBL Contains an URL listed in the WS SURBL blocklist
    [URIs: 1100i.com]
    3.2 URIBL_OB_SURBL Contains an URL listed in the OB SURBL blocklist
    [URIs: wildenough.com]

    The original message was not completely plain text, and may be unsafe to
    open with some email clients; in particular, it may contain a virus,
    or confirm that your address can receive spam. If you wish to view
    it, it may be safer to save it to a file and open it with an editor.

    {Snip}


    From the perspective of the POP3 account, the mail is handled properly. This ends up in the user@cpaneldomain.com/spam account, but the user doesn't need to get a message like this on his Blackberry.

    Is there a way to configure the server so that messages of this nature don't get forwarded?


    Thanks--

    Dave Aiello
    CTDATA
     
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