Recent uptick in spam?

matt walsh mwalsh@matroxsolutions.com
Fri Apr 28 19:58:33 UTC 2006


One should never just have 1 level of defense. Check to see if the
spammers' are listed in http://dnsbl.info (expanded search of course).
When not found on one BL; they'll probably be listed on another.

On Fri, 2006-04-28 at 14:30 -0500, Chris Aseltine wrote:
> "Vernon Schryver" <vjs@calcite.rhyolite.com> writes:
> 
> > Until they get around to hitting Spamhaus's traps and get added to the
> > SBL, you might add them to your own blacklist.
> 
> Well, I think that would be problematic.  As I said, it's not just one guy
> hitting me -- the headers and message content look similar, but it is coming
> from a totally different mail host each time.
> 
> > The samples I see have good (i.e. bad) DCC checksums and so should be
> > caught by the DCC.  Is there any chance that you've somehow accidentally
> > whitelisted this spammer?
> 
> No, I don't have anyone whitelisted, so I don't see how that could be it.  I
> guess my main concern was that the spam zombies are now starting to retry in
> response to 4xx.  But, based on your statistics, it looks like business as
> usual.
> 
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