[nmglug] originating IP for an @yahoo.com e-mail

[Andres Paglayan]

I'll suggest those with yahoo accounts start sending email to you
with details in the body, to see how those hand written details match  
those of the header



On Jun 5, 2007, at 2:28 PM, Gary Sandine wrote:

> Hi,
>
> I have noticed that e-mails from Yahoo Web mail generally start with
> a header like:
>
> Received: from [71.222.227.237] by web38908.mail.mud.yahoo.com via  
> HTTP;
>
> which indicates that the e-mail was likely composed on a computer in
> Albuquerque by a Qwest DSL customer with IP 71.222.223.237.
>
> Well, I'm interested in tracking down the origin of an e-mail from
> an @yahoo address, and the first header is:
>
> Received: from [206.190.52.38] by web57409.mail.re1.yahoo.com via  
> HTTP;
>
> The IP 206.190.52.38 belongs to Yahoo! Broadcast Services, Inc. and
> resolves to mg001.mail.re2.yahoo.com.
>
> The likely possibilities I can think of are:
>
> 1. the e-mail originated from a Yahoo employee;
>
> 2. the e-mail originated from someone using Yahoo SMTP services; or
>
> 3. in some cases, Yahoo Web mail does not reveal the originating IP.
>
> I wonder if anyone on this list knows about Yahoo e-mail  
> infrastructure
> and might know how to find out where this e-mail came from, or perhaps
> that it's not possible.
>
> Thanks,
> -- 
> Gary Sandine <gars at laclinux.com>
>
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