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IP from email header?


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#1 volvoxoblongata

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Posted 12 August 2014 - 05:20 AM

Hello guys,

 

I have a quick question regarding IP information in email headers.

 

I've been emailing with someone, and in the last email, the person revealed the town I live in.

I haven't given any info at all, not on my location or name for that matter. It's basically a stranger with no possibility to know me or anyone close to me.

 

I understand when I log in to write an email, the IP of the sender is in the email header. But when I check my IP, it doesn't reveal my town but a total different location so I am trying to work out how this was obtained and if there is something I can do about it, or if I should be worried about anything at all? I don't want a stranger showing up near where I live.

 

Thank you

 

 



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#2 scotty_ncc1701

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Posted 12 August 2014 - 08:27 AM

The IP address is based on where you logged in (if you're using POP e-mail), or the actual server location, if you're using webmail (e.g. Yahoo).  So:

1.  You live in city ABC, your ISP when you log on established your connection in city XYZ.  The IP will be in city XYZ.  The next time you log on, if your ISP has servers in your town, then it could be city ABC.

2.  If you log into webmail (e.g. gmail), then it will be the IP of the webmail server.

Have a great day!
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#3 Didier Stevens

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Posted 12 August 2014 - 02:25 PM

What service did you use to geolocate your IP address?

 

You haven't shared anything else with this person, for example pictures? They contain EXIF data that can reveal the GPS coordinates where the picture was taken.


Didier Stevens
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SANS ISC Handler
Microsoft MVP 2011-2016 Consumer Security, Windows Insider MVP 2016-2018
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