Message body lost when zip file quarantined

Julian Field MailScanner at ecs.soton.ac.uk
Tue Aug 26 09:46:53 IST 2008


Just as a note for the list archive. I cannot reproduce the problem, it 
works okay for me and does not throw away the message body.

Mark Sapiro wrote:
> On Sun, Aug 24, 2008 at 04:44:01PM +0100, Julian Field wrote:
>   
>> You shouldn't have left it that long! :-)
>> Send them to me again, and I'll try to look at them this time. Sorry :-)
>>
>> --  
>> Jules
>>     
>
>
> OK. I've resent them. Thanks.
>
> /Mark
>
>
>   
>> On 23 Aug 2008, at 19:46, Mark Sapiro <mark at msapiro.net> wrote:
>>
>>     
>>> On July 3, 2008, Julian Field wrote:
>>>       
>>>> Mark Sapiro wrote:
>>>>         
>>>>> Julian Field wrote:>
>>>>>
>>>>>           
>>>>>> Mark Sapiro wrote:
>>>>>>
>>>>>>             
>>>>>>>> MailScanner is scanning a message with an attached .zip archive  
>>>>>>>> which
>>>>>>>> contains a number of .bat and .bat.bak files, other files and  
>>>>>>>> even
>>>>>>>> another zip archive which contains a single .bat file.
>>>>>>>>
>>>>>>>> Mailscanner detects all the .bat and .bat.bak files in the zip  
>>>>>>>> files,
>>>>>>>> sends a notice appropriately, and delivers the message with the
>>>>>>>> attachment removed. All well and good. The problems are:
>>>>>>>>
>>>>>>>> 1) not only the original .zip is quarantined, but so also are the
>>>>>>>> individual .bat, .bat.bak and .zip files extracted from the  
>>>>>>>> original
>>>>>>>> .zip (other files in the .zip with OK names are not). This is  
>>>>>>>> not a
>>>>>>>> major issue, but makes looking in the quarantine difficult as one
>>>>>>>> doesn't know what files were separately attached and what files  
>>>>>>>> were
>>>>>>>> just in the .zip.
>>>>>>>>
>>>>>>>> 2) The more serious issue is the original message body is also  
>>>>>>>> removed
>>>>>>>>                 
>>>>>>> >from the delivered message, and it is not stored anywhere.
>>>>>>>               
>>>>>>> So, is there some misconfiguration on my part that is causing the
>>>>>>> loss of the message body, or is this and the redundant files in
>>>>>>> quarantine the expected behavior?
>>>>>>>
>>>>>>>
>>>>>>>               
>>>>>> Number 2 is the one that interests me. Please can you send me a
>>>>>> concrete example, preferably lifted straight out of a sendmail  
>>>>>> queue.
>>>>>>
>>>>>>             
>>>>> I use Postfix, not sendmail.
>>>>>
>>>>> Here's what I have:
>>>>>
>>>>> -The Postfix queue entry.
>>>>> -The raw message received via bcc without passing through  
>>>>> MailScanner
>>>>> -The {Filename?} message delivered to the recipient after  
>>>>> MailScanner
>>>>> -The notice sent as a result of 'Send Notices = yes'
>>>>>
>>>>> Which of these would you like (and may I send it/them off list)?
>>>>>
>>>>>           
>>>> All of the above please. Send them zipped up to
>>>> mailscanner at ecs.soton.ac.uk.
>>>>         
>>> The files were sent on July 3 as requested. Has there been anything
>>> discovered or done about this?
>>>
>>> -- 
>>> Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
>>> San Francisco Bay Area, California    better use your sense - B. Dylan
>>>
>>> -- 
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>>>
>>> Before posting, read http://wiki.mailscanner.info/posting
>>>
>>> Support MailScanner development - buy the book off the website!
>>>       
>> -- 
>> This message has been scanned for viruses and
>> dangerous content by MailScanner, and is
>> believed to be clean.
>>
>>
>>     
>
>   

Jules

-- 
Julian Field MEng CITP CEng
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