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#1
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span and filters
Hi,
I have a lot of junk mail coming in and my filters take care of most of it. The problem I have is with people using the span function to disguise junk for instance: VIAspan fontcolor="#black"GRA/span I had hoped that an outlook rule would recognise span and send it to my junk e-mail box but it doesn't. Any advise would be greatly appreciated. |
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#2
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span and filters
"CGR" wrote in message
... I have a lot of junk mail coming in and my filters take care of most of it. The problem I have is with people using the span function to disguise junk for instance: VIAspan fontcolor="#black"GRA/span I had hoped that an outlook rule would recognise span and send it to my junk e-mail box but it doesn't. And they can split it across cells in a table, misspell the words or add interceding characters, and other schemes to hide their spammy keywords. It is an attempt to hide from Bayesian or spam-word filters. That's not the only way to detect spam. Look at SpamPal. It's free. Besides Bayesian, it detects known spam sources using DNSBLs (IP blacklists), P2P (or DCC where users reports the hash value for an e-mail using some fuzzy logic to see how many users received the same e-mail), HTML checking, and other methods. Forget trying to make rules that emulate a spam-word filter. Spam-word filters never work very well and generate lots of false positives. |
#3
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span and filters
CGR wrote:
I have a lot of junk mail coming in and my filters take care of most of it. The problem I have is with people using the span function to disguise junk for instance: VIAspan fontcolor="#black"GRA/span I had hoped that an outlook rule would recognise span and send it to my junk e-mail box but it doesn't. Outlook rules cannot detect the HTML commands. -- Brian Tillman [MVP-Outlook] |
#4
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span and filters
"Brian Tillman" wrote:
Outlook rules cannot detect the HTML commands. This is what confuses me, if it can't detect them a filter for span should work, obviously it does detect them as it is ignoring my filter, this being the case you should be able to do something. I am trying to avoid looking at all this rubbish and I think that there is nothing worthwhile likely to be sent to me that contains a span function, if there is I could find it later in the junk folder. |
#6
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span and filters
Outlook 2003 SP3
I know legit stuff can use the span tag but I have no urgent need to see anything with it in and can find it in the junk folder later. "Diane Poremsky [MVP]" wrote: legit html email does use span tags. What version of outlook? (Since you didn't include the previous content on your reply I have no idea if you mentioned the version before.) |
#7
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span and filters
CGR wrote:
This is what confuses me, if it can't detect them a filter for span should work, obviously it does detect them as it is ignoring my filter, this being the case you should be able to do something. No, if it can't detect them, a filter for them WON'T work. As far as Outlook is concerned, the raw HTML doesn't exist in the message. A rule cannot detect the HTML tags. -- Brian Tillman [MVP-Outlook] |
#8
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span and filters
"Brian Tillman" wrote in message
... CGR wrote: This is what confuses me, if it can't detect them a filter for span should work, obviously it does detect them as it is ignoring my filter, this being the case you should be able to do something. No, if it can't detect them, a filter for them WON'T work. As far as Outlook is concerned, the raw HTML doesn't exist in the message. A rule cannot detect the HTML tags. -- Brian Tillman [MVP-Outlook] And they don't even have to be valid HTML tags. Outlook rules cannot determine that "PE...span...NIS.../span is valid HTML whereas "PExtagspacerNbobsyouruncleIS" is not valid HTML. Outlook doesn't bother interpreting the HTML code whether it is valid or not. It is an old trick by spammers to get around filter to hide their text by by using HTML tags, valid or not. You are trying to use a simple spam-word filter. They don't work without incurring lots of false positives. |
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