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  1. #11
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    Jul 2007
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    Exclamation There ain't no SPAM or ASSP plugins at the moment for SPAMASSASSIN

    Quote Originally Posted by dmorris View Post
    Are there any spamassassin plugins for DSPAM and ASSP?


    Hi DMorris,

    There ain't no DSPAM or ASSP plugins for SPAMASSASIN, but ,if we talk about DPSPAM, it can handle the SPAMASSASIN scores, it can retrain the messages and drop back the result to the MTA.Talking about MTA : DSPAM can be included as a content filter to MTA, it needs to listen to an other port than 25 on localhost, let's say 10024. It can simple included in EXIM4 and Postfix as well. There are very good implementation howtos for DSPAM+SPAMASSASSIN with Exim(Exim4) at http://dspamwiki.expass.de/Installat...m/SpamAssassin

    Please consider contacting me if I can be of any helping hand.

    Blazei

  2. #12
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    Jul 2007
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    Default

    DSPAM can be included into MTA, like a secondary MTA, listening on an other port, or it can be totally independent, actually it also can be used like a SMTP gateway/MAIL relay totally separeted from the normal MTA.

  3. #13
    Newbie
    Join Date
    Jul 2007
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    4

    Default Bl.spamcop.org All Messsages Ar Blacklisted And Dropped

    I think I've found a bug in the SPAM BLOCKER . Actually all the sender email servers looks like are blacklisted at sorbs.net and spamcop.net, but they are not, when I check the servers at sorbs and spamcop official website. In this way about 80% of normal emails are blocked!


    Could be a real issus or I am messing something at setup?


    THANKS


    Quote Originally Posted by dmorris View Post
    Hey Alain,

    A blacklist is a great idea.

    Each user already has their own whitelist in their quarantine, there is also a global whitelist under quarantine in the main UI.

    Unfortunately, we can't implement a drop content option for POP or IMAP because they way the protocol is implemented. The client requests message 5, and we scan message 5 while the client downloads it. If we determine it to be spam, we are still forced to deliver it because the client expects a response to their request. This is also why there isn't a quarantine options for POP or IMAP.
    (We've brainstormed about prefetching or caching to get around this, but the implementation looks hard)

  4. #14
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    Join Date
    Nov 2007
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    6

    Default

    Quote Originally Posted by dmorris View Post
    Unfortunately, we can't implement a drop content option for POP or IMAP because they way the protocol is implemented. The client requests message 5, and we scan message 5 while the client downloads it. If we determine it to be spam, we are still forced to deliver it because the client expects a response to their request. This is also why there isn't a quarantine options for POP or IMAP.
    (We've brainstormed about prefetching or caching to get around this, but the implementation looks hard)
    Copfilter quarantines the message and sends a notification instead of the message. It's GPL licensed, maybe you could have a look at how it does it??
    http://www.copfilter.org/docu.php#intro

    Greg

  5. #15
    mdh
    mdh is offline
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    Aug 2007
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    Default

    They can quarantine SMTP. If they quarantine POP3 or IMAP, they are in violation of RFCs. The RFCs specifically say that POP3 or IMAP can be marked as spam but MUST be delivered. They are a sender-to-recipient transaction. SMTP can be blocked or quarantined, because they are a server-to-server transaction.

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