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Re: Fw: VIRUS IN YOUR MAIL (W32/BugBear.A (Clam))

On Thu, 17 Oct 2002 23:15, Alex Borges (lex) wrote:
> This kind of thing is simple.... at least with qmail, u set up a front
> end box that does the smtp, make it scan through  qmailscan...whatever,
> those filters will let u decide the action to take if a virus is found.

The problem is that spam is often unbouncable (or if bounced will go to the 
wrong place).  Discarding messages without bouncing is bad for 
false-positives.  So the ideal solution is to send a 5xx SMTP message and 
drop the connection when you see a spam and never queue it.

http://www.coker.com.au/selinux/   My NSA Security Enhanced Linux packages
http://www.coker.com.au/bonnie++/  Bonnie++ hard drive benchmark
http://www.coker.com.au/postal/    Postal SMTP/POP benchmark
http://www.coker.com.au/~russell/  My home page

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