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searching on base64 content?

Last post 09-14-2007 12:21 PM by JeeHaa. 2 replies.
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  • 03-04-2007 4:06 PM

    searching on base64 content?

    I have a user that has received an email from a blackberry. That email is base64 encoded (Content-Transfer-Encoding: base64). It reads fine in the HTML and Text screens, and the Raw Content shows a block of base64. When searching for a string which is visible in the HTML/Text screen, no results are returned. I assume that searching is done on the raw content without any regarding for encoding?

     Can this be confirmed?

    And if so, will this be corrected?

     Thanks,

    Robert

  • 09-13-2007 7:18 PM In reply to

    Re: searching on base64 content?

    I too have confirmed this situation.  There has been an insane amount of spam getting through in the past few weeks because of the entire message being base64 encoded. One style of spam in particular always contains the text "this advertisement is presented by" and thus I want to write my own custom content filter for my account, that if "this advertisement is presented by" is contained in the body of the message, move this message to a different folder.

     However, when the entire message is base64 encoded, no content filtering can be done!   This has got to change in SmarterMail. SmarterTools needs to decode base64 messages in order for any content filtering rules to be applied.   Without this change, base64 encoded messages completely bypass this content filtering feature.

    SmarterTools, if you're listening... will you please make an update to fix this. Thank you.

     

     


     

  • 09-14-2007 12:21 PM In reply to

    Re: searching on base64 content?

    You may want to check out my script, it decodes the body properly and can match keywords on a global level (among a lot of other functions):

    http://forums.smartertools.com/forums/thread/37344.aspx

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