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Re: rbl use (was: People forging their From: addresses)

  • From: torben fjerdingstad < >
  • Date: Wed, 30 Sep 1998 13:17:19 +0200
  • Notice-requested-upon-delivery-to: unitfj@localhost

On Wed, Sep 30, 1998 at 12:27:31PM +0200, Piet Beertema wrote:
>     I think the combination and is the
>     way to go. Let's have those open mail relays secured ASAP.
> It *is* a very powerful combination. But at the same time it
> can be a dangerous one for your organisation: you may well
> find that quite a few organisations that you *must* exchange
> mail with are on rbl and/or orbs. Which means *you* have to
> make your own exceptions to the rbl/orbs rules, and tell your
> 'counterparts' to fix their business.

Honestly, I don't use the dorkslayers rbl.

I look for open mail relays in any spam I see, including the
spam in failed mail messages from mailer-daemon, and I report
any of them to dorkslayers after having tested them myself.
That's a lot easier than trying to contact the postmaster
and convince him to secure his relay. is supposed to only list host, whose administrators
have been proven to do nothing to stop the spam. Rather few
hosts are in that lists. The ones that are, are really bad.
You would not want to talk to them anyway.

dorslayers is great for scaring postmasters to fix their mail
relays - "HUH! we're blaclisted". Many wake up, and find out
they have to fix their mail server to get out of the list.

I compare a mail relay with a military weapon arsenal.
The army has a responsibility for not giving weapons to
civilians so they can nuke each other.

Med venlig hilsen / Regards 
Netdriftgruppen / Network Management Group

Tlf./Phone   +45 35 87 89 41        Mail:  UNI-C                                
Fax.         +45 35 87 89 90               Bygning 304
E-mail: torben.fjerdingstad@localhost       DK-2800 Lyngby

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