From: Wietse Venema (no email)
Date: Wed Jan 01 2003 - 17:30:34 EST
Phil Stracchino:
> On Wed, Jan 01, 2003 at 10:14:43AM -0500, Wietse Venema wrote:
> > It is almost 100% certain that the problem will go away when you
> > turn off header_checks and body_checks.
>
> However, simply doing that won't fix the problem. It'll just avoid it,
> at the cost of letting through vast quantities of spam. I get typically
By selectively turning things off, following the proven technique
of binary search, you will be able to figure out what regular
expression rule is giving the problem.
The regular expression language is complex enough that you can
easily make a mistake and burn lots of CPU cycles while matching.
Wietse
> between 1000 and 2800 spam delivery attempts *per day* and a dozen or so
> legitimate mail messages. It's so bad I'm actually preparing to stop
> accepting mail at this domain altogether and move all my email traffic
> to a different domain.
>
>
> > The ?? characters in your logging are replacements for newline and
> > tab characters in multi-line headers.
> >
> > Wietse
>
> I figured they were probably something like that, but had no way to
> verify it.
>
>
> --
> .********* Fight Back! It may not be just YOUR life at risk. *********.
> : phil stracchino : unix ronin : renaissance man : mystic zen biker geek :
> : : : :
> : 2000 CBR929RR, 1991 VFR750F3 (foully murdered), 1986 VF500F (sold) :
> : Linux Now! ...Because friends don't let friends use Microsoft. :
>
>
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