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

[Dean Anderson <dean@xxxxxxx>]

On Sat, 13 Aug 2005, Alan DeKok wrote:

> 
> 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.

Really?  300K "legitimate mail sources"?  Worldwide?  "legitimate mail
sources": That would include corporate mail servers, right?  Gee, I think
there are more than that in the United States.  Probably more than that in
Canada, too.   Maybe you want to rethink that a bit.

		--Dean

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