Fwd: The Spamhaus CSS list
MailScanner at ecs.soton.ac.uk
Fri Oct 2 15:38:28 IST 2009
Here is one you might all be interested in (with thanks to Tony Finch):
Spamhaus have announced a new blacklist aimed specifically at showshoe
spammers. "Snowshoe" is a technique where spammers use large numbers of
superficially legitimate hosts that each send a small quantitiy of spam,
in an attempt to spread the spam load and keep each host below the radar.
The new CSS list is a component of the SBL (and therefore also the sbl-xbl
and ZEN lists) so many setups will use it automatically.
However note that SpamAssassin will not, since its current rules do not
recognise a 127.0.0.3 result from the ZEN blacklist. You can add the
following to your local.cf to treat CSS matches as equivalent to other SBL
header RCVD_IN_SBL eval:check_rbl_sub('zen', '127.0.0.')
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