Chinh Nguyen Tam wrote:
> Dennis Peterson wrote:
>> Chinh Nguyen Tam wrote:
>>> Greetings,
>>>
>>> We've notice some strange behavior of clamav in our email server for. 
>>> When we try to send some email (HTML format, Outlook 2003) with URL 
>>> inside, clamav detects these email as Email.Foolball-2 virus. If we send 
>>> the emails with the same URL in Thunderbird HTML format or in pure text, 
>>>   clamav will let the emails pass by.
>>> You can see the example of one Outlook HTML attached in this messages 
>>> (please unpack with gzip).
>>> Please advice if anyone met the same problem before and how to solve this.
>>>
>>> Thank you very much!
>> If your message contains a url such as http://123.231.255.29/, in other 
>> words a URL 
>> made up from an IP address, and if that URL is preceded by the word 
>> "tracker" then 
>> the message will fail. In fact I had to reword this post to get past the av 
>> filter.
>>
>> dp
> 
> Yes, our emails contain urls with IP. We must change it so something 
> like hxxp://123.123.123.123 to pass the filter. But you know, It's a bit 
>    noisy for the users. It'd be ok if there's a tip to disable this kind 
> of check from clamav.

Perhaps setting this option in your clamd.conf file will help.

# Scan URLs found in mails for phishing attempts using heuristics.
# Default: yes
#PhishingScanURLs yes

PhishingScanURLs no

The default is Yes.

dp
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