dustin dustin at
Sat May 7 01:15:01 EDT 2005

Marc G. Fournier wrote:

> On Fri, 6 May 2005, Jim Levie wrote:
>> On Thu, 2005-05-05 at 16:35, Marc G. Fournier wrote:
>>> On Fri, 6 May 2005, Sergey wrote:
>>>> On Tuesday 03 May 2005 01:21, Amos wrote:
>>>>> Hmmm... what's this about ClamAV? Integrated virus scanning? Maybe
>>>>> for the Sieve virus check test?
>>>> It is very bad idea. Anti-virus check should be made at a stage of
>>>> smtp-session. The sender should receive reject <virus name> after 
>>>> data.
>>>> It is not a problem of cyrus-imap. It is a task of MTA.
>>> 'k, I use postfix right now, and amavisd for the virus scanning ... 
>>> as far
>>> as I know, the sender doesn't receive a 'reject <virus name>' that way
>>> either ... or is there something that I need to setup for this to 
>>> happen?
>> I use MailScanner to to A/V scanning and spam control and it can be
>> configured to send a reject back to the sender of a virus infected
>> message. But in the general case it is a bad idea since most of what
>> you'll see will have a forged envelope sender. So any notice you send
>> back is unlikely to reach the real sender and winds up just being an
>> annoyance to some innocent party. During the recent Sober outbreak I was
>> getting about 30 reject warnings an hour from all over the place. Given
>> that I don't have any windows boxes and thus could never have been the
>> source of a Sober infected email it was just a major annoyance.
> 'k, I thought maybe he was suggesting some way of doing it at the SMTP 
> 'handshake' level, so that it was rejected before even hitting the 
> queue ...
Check out clamsmptd  
Works with postfix, believe has to be chrooted.  Sends back SMTP error 
on virus

> ----
> Marc G. Fournier           Hub.Org Networking Services 
> (
> Email: scrappy at           Yahoo!: yscrappy              ICQ: 
> 7615664
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