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Spamhalter - How to handle false positive?

Last post 02-03-2008, 18:07 by kb1811. 5 replies.
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  •  02-03-2008, 7:31

    • kb1811 is not online. Last active: 03-20-2008, 6:02 kb1811
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    Spamhalter - How to handle false positive?

    Hi,

     I currently have a filter to move all the spam detected mails to a user 'checkspam'.

    I would log in to this user periodically to check if there are any false positive.

    If I find any, I would :

    1) forward the mail to nospam+password@mydomain.com

    2) forward the mail to the actual recipient. On the recipient side, the mail no longer look like its coming from the actual sender. Rather, its a forwarded msg from me.

    The other way I could do is to find the actual cnm file in the 'checkspam' usermail folder and copy it to the recipient usermail folder. Rather painful.

    Anyone knows a better way to do this?

    Kenny

  •  02-03-2008, 9:09

    Re: Spamhalter - How to handle false positive?

    Depends on the client you are using.

    Thunderbird has a 'redirect' addon that works well for this. 

    You could use IMAP with multiple accounts & can drag and drop the mail from the checkspam to the users inbox (or a temp user so there will be only one cnm in the folder to find & drop).
     

    With pmail you could 'Add mailbox' and do the same thing.

  •  02-03-2008, 16:33

    Re: Spamhalter - How to handle false positive?

    kb1811:

    Hi,

     I currently have a filter to move all the spam detected mails to a user 'checkspam'.

    I would log in to this user periodically to check if there are any false positive.

    If I find any, I would :

    1) forward the mail to nospam+password@mydomain.com

    2) forward the mail to the actual recipient. On the recipient side, the mail no longer look like its coming from the actual sender. Rather, its a forwarded msg from me.
     

    You did not say what you  were using as the mail client but Pegasus Mail has the option to forward without editing and you could in this case use the users local username as the email address.

    The other way I could do is to find the actual cnm file in the 'checkspam' usermail folder and copy it to the recipient usermail folder. Rather painful.

    Anyone knows a better way to do this?

    Kenny


    Thomas R. Stephenson
    San Jose, California
    Member of Pegasus Mail Support Team
  •  02-03-2008, 16:56

    • kb1811 is not online. Last active: 03-20-2008, 6:02 kb1811
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    Re: Spamhalter - How to handle false positive?

     I am using thunderbird currently. Problem is that the false positive mail will have the header X-SPAMHALTER: SPAM detected!

    My filter to will automatically find this header and move it back to 'checkspam' user again during redirect - doh!

    Am not sure if pegasus's forward without editing will give the same problem.

    Using email client with multiple IMAP account is probably not so feasible as I am dealing with 100+ email users.

  •  02-03-2008, 17:13

    Re: Spamhalter - How to handle false positive?

    1.    If you are forwarding  without editing to a local user using Pegasus Mail then the Mercury/32 header does not come into play.  It's being delivered directly to the user instead of going via Mercury/32.

     2.   If you are using some other mail client or forwarding/bouncing via SMTP then you can use something in the actual message that will bypass the SpamHalter X header. For example, when forwarding or bouncing a message there is some line showing that the message has been bounced and who bounced it.  Here's one  Resent-from: thomas@tstephenson.com.  Put a filter looking for this in front of the Spamhalter filter line with an action to exit rule set and the mail will be  delivered normally.

     


    Thomas R. Stephenson
    San Jose, California
    Member of Pegasus Mail Support Team
  •  02-03-2008, 18:07

    • kb1811 is not online. Last active: 03-20-2008, 6:02 kb1811
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    Re: Spamhalter - How to handle false positive?

    Thank you Thomas and Dil.

    Thats great help.

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