Re: Now the idiots at ORBS are probing random dial-ups

[Pete Templin <templin () urdirect net>]

On Fri, 25 Aug 2000, Shawn McMahon wrote:

> On Wed, Aug 23, 2000 at 05:40:34PM -0700, L. Sassaman wrote:
> > server at all. Since there's rarely any legitimate reason for someone to
> > be sending mail from a mail server on a dialup line, this easily blocks a
> > large source of spam with little risk.
>
> Businesses all across the country are going online now with DSL.
>
> Many DSL providers use PPPoE, putting you smack in the middle of their dialup
> pool.
>
> So, your information was correct as recently as a year ago, but it's out of
> date now.

If a business is connecting via PPPoE, smack in the middle of a dialup/DSL
pool, they're probably using the ISP's server.  If the business is hosting
their own mail, they probably have dedicated address space or some other
fixed external presence, which hopefully lives outside the DUL range. 

Pete

--
Peter J. Templin, Jr., CCNA, CCDA
VP Networking

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