Keith Warno writes:
>
> ----- Original Message -----
> From: "Strange" <[EMAIL PROTECTED]>
>
>
> > On Wed, 22 Dec 1999, Dustin Miller wrote:
> > > Although that does bring up an interesting security question. A spammer
> > > could, potentially, launch a denial of service attack against a qmail server
> > > by sending spams, couldn't they?
> >
> > They can do that anyhow by sending to mailer-daemon, root, or another
> > system account.
>
> Well they could do that sending to ANYONE pretty much, eh?
>
> Mail delivery for system accounts should be eliminated via the
> qmail-users(5) mechanism. Ideally it would be nice for there to be a
> control file -- perhaps ``badrcptto'' -- to reject mail for such users at
> the door.
>
> Heh.. maybe there's already something like that and I haven't seen it. ;-)
>
Hi Keith; tcpserver, from the author of qmail, works quite nicely-it will
throttle DoS, and has a very speedy database that can contain blacklisted
IPs.
John
--
John Conover [EMAIL PROTECTED] http://www.inow.com/
631 Lamont Ct. Tel. 408.370.2688 http://www.inow.com/ntropix/
Campbell, CA 95008 Fax. 408.379.9602 http://www.inow.com/nformatix/
