Re: vger rejecting messages from mediaone

From: Henrik Olsen (henrik@iaeste.dk)
Date: Tue Jan 18 2000 - 05:18:57 EST


On Mon, 17 Jan 2000, Walter Reed wrote:
> On Sat, Jan 15, 2000 at 06:28:05PM +0000, Alan Cox wrote:
> > > ORBS was supposed to be a list of CONFIRMED OPEN mail relays. Apparently,
> > > they have changed their mission without telling anyone. Their web page,
> > > "What is ORBS?" says:
> >
> > They've always said people who block their scans as a response will be
> > blacklisted because that is what every rogue ISP and intentional spam exploder
> > company does.
>
> ... And it's also what many admins would do when ORBS probes their machines for the
> 50,000th time...
Once you're confirmed non-relaying, you won't get probed for 5 months
according to ORBS.

This may probably be shortened if a new confirmed relay hole is found to
be abused a lot.

> The problem with orbs is NOT that it probes for open relays, but that
> the ORBS maintainer has a policy of blacklisting anyone who disagrees with him -
> regardless of whether or not the blocked systems relay or not.
> The probe system also does not handle systems which intelligently relay normal
> mail and not SPAM.
Since the probe only registers relays when the probe message actually gets
delivered, your "intelligent" spam filter isn't working if you got
registered.

> Vixie's MAPS is nice because it only lists spammers. ORBS lists mail servers
> sometimes based upon false assumptions or "whims".
ORBS is nice because you can get off it very fast, MAPS takes human
intervention to get off.

-- 
Henrik Olsen,  Dawn Solutions I/S       URL=http://www.iaeste.dk/~henrik/
  Darth Vader: Luke, come to the dark side.
  Luke: No.
  Darth Vader: Your goodness has redeemed me. Die, emperor scum.
                           Return of the Jedi, the Movie-A-Minute version

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