http://bugzilla.spamassassin.org/show_bug.cgi?id=3997





------- Additional Comments From [EMAIL PROTECTED]  2004-12-07 23:34 -------
Anything that does name resolution will tell you if a particular domain is on
SURBLs or not at the time you check (same test works on other RBLs, usually
needing you to convert to an IP address first).  It's not clear exactly what the
problem is, but Dallas' observation that urirhsbl is trying to do NS and A
resolution on domains could be part of the cause.

Looking up the NS record of something.multi.surbl.org will get up to 35
different name server IP addresses, some of which may have least significant
octets that could trigger a SURBL-like match.  The source code for urirhssub
should be checked for things like that to see if it could result in an FP.
Looking up the NS record of wild URI domains could also have unpredictable
results depending on how the code reals with the resolutions.



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