Blocking SPAM at the source?

Michael Dillon michael at
Fri Jan 31 19:45:23 UTC 1997

>From inet-access
On Fri, 31 Jan 1997, Scott Hazen Mueller wrote:

> One way to fix this would be for the sites that own large dialin pools to
> firewall their dialins so that they can only do SMTP to their own servers.

Is anyone doing this like IBM Advantis, InternetMCI, AT&T Worldnet, etc?

If not, why not?

Michael Dillon                   -               Internet & ISP Consulting
Memra Software Inc.              -                  Fax: +1-250-546-3049             -               E-mail: michael at

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