It does makes sense that they would list unused/unowned netblocks in
APNIC in their database probably because of the probability that such
blocks would get assigned to an ISP which more than likely offer it up
as dynamic.   I haven't looked there in a while but I thought it
explained conditions for Ips and netblocks to be in the DUL database and
I thought it said it was because of published info by the ISP as well as
reverse lookup records.  Over the years of my use of SORBS_DUL, I've
seen maybe a dozen or so .coms that had their static ISP assigned
address in SURBS_DUL because of their PTR records.  Once they contacted
their ISP changed their PTR records so that it didn't look dynamic (IP
embedded), SORBS removed the IP from the DUL database. 



-----Original Message-----
From: James Gray [mailto:[EMAIL PROTECTED] 
Sent: Monday, March 24, 2008 4:57 PM
To: users@spamassassin.apache.org
Subject: SORBS_DUL

Why are rules that look up against this list still in the base of
SpamAssassin?? The SORBS dynamic list is so poorly maintained that it's
practically useless and if you are an unfortunate who ends up
incorrectly listed in it, good luck getting off it!  Case at hand, the
company I work for purchased a /19 address block directly from APNIC
before anyone else had it (IOW, we were the first users of that block).

We now have both our external mail IP's listed in SORBS_DUL despite the
fact the /24 they belong to, and the /24's on either side have NEVER
been part of a dynamic pool.  SORBS refuse to delist them as our MX
records are different to these outgoing mail servers!  FFS - we run
managed services for a number of ISP's why the hell would we *want* to
munge all our inbound and outbound mail through the same IP's?!?

Seriously folks, can we make SORBS_DUL optional and not "on by default" 
in the general distribution?

Cheers,

James


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