There’s a new blacklist in town.
Patch for SpamAssassin bug 2889:
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RCS file: /cvsroot/spamassassin/spamassassin/rules/20_dnsbl_tests.cf,v
retrieving revision 1.38
diff -r1.38 20_dnsbl_tests.cf
148a149,153
> # XBL is the Spamhaus Block List: http://www.spamhaus.org/xbl/
> header RCVD_IN_SBL eval:check_rbl_txt('xbl', 'xbl.spamhaus.org.')
> describe RCVD_IN_SBL Received via an exploit in Spamhaus Block List
> tflags RCVD_IN_SBL net
>
Go Me! Simple enhancement, should provide better spam filtering for all.