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Re: blocking dialups

  • From: Chuck Foster < >
  • Date: Fri, 23 Oct 1998 16:53:06 +0100 (BST)

On Thu, 22 Oct 1998, Walter Ian Kaye wrote:
> >Proprietry email data exchange using localised ESMTP extensions that the
> >ISP doesn't support in their SMTP servers.
> Well, I think that any business which is up to the task of ESMTP extensions
> is also up to the task of installing their own SMTP server. Of course, the
> ISP, being a full service company, may certainly help them set it up. Any
> business worth doing business with will understand and applaud the ISP's
> anti-abuse measures. The rest can eat spam.

Is this round the wrong way? I thought the discussion was about how users
on dialup connnections should use the Internet/have access to particular
service on the Internet. Whether they install their own mail server or not
makes little difference if they are on a dialup line when it comes to
blocking port 25 or not.

I quite like the idea of dynamic ACLs on the NASes to control whether the
customer may route out on a particular port or not - maybe that's the way
to work towards who can and can't do this (since the authorisation should
be enough to determine the trust given).


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