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Re: Research question: How many legitimate mail sources are out there?

To: MXCOMP <ietf-mxcomp@xxxxxxx>
Subject: Re: Research question: How many legitimate mail sources are out there?
From: "Alan DeKok" <aland@xxxxxx>
Date: Sat, 13 Aug 2005 10:40:01 -0400
In-reply-to: Your message of "Fri, 12 Aug 2005 21:09:02 PDT." <>
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Matthew Elvey <matthew@xxxxxxxxx> wrote:
> Would someone out there please take a stab at answering this question?  
> Or has it been answered already?

  Yes.  http://www.striker.ottawa.on.ca/~aland/spam/

  The data covers a significant portion of the Internet.

> I'm guessing that there are under a million such mail sources.  There 
> are around .1 billion TLD Names*.

  Close.  As of a year ago, about 300k IP's.

  Alan DeKok.

Follow-Ups:
- Re: Research question: How many legitimate mail sources are out there?
  - From: Dean Anderson

References:
- Research question: How many legitimate mail sources are out there?
  - From: Matthew Elvey

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