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Date:      28 Dec 2002 15:57:40 -0500
From:      Shawn Duffy <pakkit@codepiranha.org>
To:        Duncan Patton a Campbell <campbell@neotext.ca>
Cc:        freebsd-questions@FreeBSD.ORG, security@FreeBSD.ORG
Subject:   Re: Bystander shot by a spam filter.
Message-ID:  <1041109059.3507.50.camel@pitbull>
In-Reply-To: <20021228134931.373541d9.campbell@neotext.ca>
References:  <3E0DAAF3.7090103@quadtelecom.com> <20021228133224.4f3a774f.campbell@neotext.ca> <1041108369.3504.47.camel@pitbull> <20021228134931.373541d9.campbell@neotext.ca>

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Why is it? If you send me a letter, I have every right to refuse it, do
I not? If a company blocks too much, they will lose customers, and
eventually either will have to lighten up or go out of business...

shawn

On Sat, 2002-12-28 at 15:49, Duncan Patton a Campbell wrote:
> Seems to me that this is an invitation to government=20
> regulation -- interfering with the mail is a criminal
> offense for good reason.
>=20
> Dhu
>=20
> On 28 Dec 2002 15:46:10 -0500
> Shawn Duffy <pakkit@codepiranha.org> wrote:
>=20
> > The lists are usually kept on the websites of whatever particular
> > organizations are doing it... they are quite a few...
> > As far as suing them, I would venture to say no... If you dont want
> > someone to be able to connect to your mail server that is certainly
> > within your right to do... and if other people want to agree with you,
> > well then, what can you do... although I am sure someone somewhere will
> > probably sue over it and win...=20
> >=20
> > shawn
> >=20
> >=20
> > On Sat, 2002-12-28 at 15:32, Duncan Patton a Campbell wrote:
> > > How do you find if you are on the list?  And who has the list?
> > >=20
> > > Can they be sued?
> > >=20
> > > Thanks,=20
> > >=20
> > > Duncan (Dhu) Campbell
> > >=20
> > > On Sat, 28 Dec 2002 08:45:23 -0500
> > > Harry Tabak <htabak@quadtelecom.com> wrote:
> > >=20
> > > > [This is a resend. Ironically, the orignal was blocked by FreeBSD's=
 spam=20
> > > > filter, I've had to send this from another account]
> > > >=20
> > > > 	I am not sure which list is best for this issue, hence the cross
> > > > posting.  I believe spam and anti-spam measures are security issues=
 --
> > > > the 'Availability' part of C-I-A. I apologize if I am wrong.  A Fre=
eBSD
> > > > ported package is contributing to an internet service availability
> > > > problem that has me stumped.  I believe that an unknowable quantity=
 of
> > > > other internet denizens are also affected.
> > > >=20
> > > > 	I'm a long time fan of FreeBSD -- I run it on my small mail server=
 and
> > > > I've recommended it for many applications. I even bought a CD once.=
 I
> > > > write this missive with great reluctance. I've worked with a lot of
> > > > strange software over the years, But this is a new first -- Softwar=
e
> > > > that slanders! Software that publicly called me a spammer!!!  And n=
ot to
> > > > my face, but to business associate. And then took action.
> > > >=20
> > > > 	I recently discovered, and quite by accident, that a FreeBSD porte=
d
> > > > package -- spambnc (aka Spambouncer or SB) -- was blocking mail fro=
m me
> > > > to an unknown number of businesses and individuals on the internet.=
 I'll
> > > > probably never have to correspond with most of these people, but I'=
m a
> > > > freelancer -- this may have already cost me a job. [Dear reader, do=
n't
> > > > be surprised if you or your clients are also blocked. I strongly su=
ggest
> > > > that you check it out.]
> > > >=20
> > > > 	Anti-spam products have a valuable place in the security arsenal. =
 But,
> > > > IMHO, this product is dangerous because it includes filters and rul=
es
> > > > that are overreaching, and inaccurate. Bad firewall rules and bad
> > > > anti-spam rules may be OK for an individual site.  However, spambnc=
's
> > > > bad advice is being mass marketed through the good offices of FreeB=
SD,
> > > > and it is putting potholes in the net for the rest of us.  Until it=
 is
> > > > fixed, and proven harmless, FreeBSD should stop distributing this p=
roduct.
> > > >=20
> > > > 	Basically, the default built-in policies for blocking mail aren't =
fully
> > > > described, and there is no mechanism to universally correct the
> > > > inevitable mistakes in a timely manner. Users (people who install t=
his
> > > > product) are mislead about the probably of filtering the wrong mail=
. I
> > > > am sure that the software was developed with the very best intentio=
ns,
> > > > but in its zeal to block lots and lots of spam, SB is hurting good =
people.
> > > >=20
> > > > 	The SB rule blocking my mail host has nothing to do with me. Even
> > > > though, it can use dynamic anti-spam DNS services, SB hard codes  i=
ts
> > > > rules for filtering bad domains by name and by IP address. My nemis=
is is
> > > > buried in a 1476 line file, sb-blockdomains.rc, which installs by
> > > > default, and is not documented outside the code. Along with others,=
 it
> > > > blocks the entire 66.45.0.0/17 space because spammers might live th=
ere.
> > > > This is sort of like a corporate mail room throwing away all NJ
> > > > postmarked mail because of the bulk mail distribution centers in Se=
caucus.
> > > >=20
> > > > 	My mail host address gets a clean bill of health from every anti-s=
pam
> > > > site that I can find, such as SPEWS. I've checked at least 30 of th=
em.
> > > >=20
> > > > 	My tiny x/29 block is sub-allocated from my DSL provider's x/23 bl=
ock.
> > > >     The DSL provider's block is a sub-allocation from Inflow.com's
> > > > 66.45.0.0/17 block. Spambouncer doesn't like Inflow.  While they ha=
ve a
> > > > right to their opinions, they don't have a right to publicly tar me
> > > > because of my neighbors.
> > > >=20
> > > > 	If I read sb-blockdomains # comments correctly, it is policy to no=
t
> > > > only block known spammers, but to ALSO block entire networks based =
on
> > > > their handling of spam complaints. This is like as a business
> > > > receptionist checking callerID and then ignoring incoming calls fro=
m
> > > > Verizon subscribers because Verizon tolerates (and probably invente=
d)
> > > > telemarketing.
> > > >=20
> > > > 	I have written to both the Spambouncer contact address
> > > > <ariel@spambouncer.org> and the FreeBSD maintainer, but without a
> > > > response.  Possibly they are on holiday, or spambouncer is eating m=
y
> > > > mail. Perhaps I'm just too impatient.
> > > >=20
> > > > 	I have also contacted my ISP's support.  They don't know how to he=
lp
> > > > me. They vouch for Inflow. They don't recommend it, but for a fee, =
my
> > > > service could be switched to a different PVC, and I'd get an addres=
s
> > > > from a different carrier. But of course, the new address could be
> > > > black-listed on a whim.
> > > >=20
> > > > 	Regardless, I assume that these are reasonable people, and that th=
ey
> > > > will oil the squeaky wheel as soon as it is convenient.  But how wi=
ll I
> > > > ever know that EVERY copy of spambouncer has been fixed? What about
> > > > other innocent ISP subscribers who are also black-listed?
> > > >=20
> > > > Harry Tabak
> > > > QUAD TELECOM, INC.
> > > >=20
> > > >=20
> > > > 	=09
> > > >=20
> > > >=20
> > > >=20
> > > >=20
> > > >=20
> > > > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > > > with "unsubscribe freebsd-security" in the body of the message
> > --=20
> > email: pakkit at codepiranha dot org
> > web: http://codepiranha.org/~pakkit
> > pgp: 8988 6FB6 3CFE FE6D 548E  98FB CCE9 6CA9 98FC 665A
> > having problems reading email from me? http://codepiranha.org/~pakkit/p=
gp-trouble.html
> >=20
--=20
email: pakkit at codepiranha dot org
web: http://codepiranha.org/~pakkit
pgp: 8988 6FB6 3CFE FE6D 548E  98FB CCE9 6CA9 98FC 665A
having problems reading email from me? http://codepiranha.org/~pakkit/pgp-t=
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