![]() ![]() As we’ve seen, it’s unlikely that the specific IP address will be included in the email.There are too many ways this can go wrong. Where I’m most pessimistic of all, however, is your desire to identity one iPhone versus another. Not at the level you’re looking for.īut, sometimes you get lucky, so it’s worth a little investigation, if you’re up to wading through a bunch of technical gobbledygook. Sometimes there’s even more information in other or non-standard header lines that can help identify the source of a message.īut usually there is not. Sometimes web mail services will include the IP address of the browser session that initiated the email. Sometimes, you’ll find the IP address of your home - when you use a desktop email program, for example. There are scenarios where the IP address shown in the header is useful. I point out these failed attempts at examining the headers because sometimes you get lucky. That’s the IP address of a server, which noted as the “sender” of the email.ĭefinitely not my phone. Similarly, the “sender IP” line I found in the header was less than useful. ![]() Subsequent “received from” lines showed the message making its way from my server to (my outgoing email service), from to a server at, and then another from one server to another apparently holding my inbox. And nowhere was the IP address of my phone listed, nor was there any indication that my phone was involved at all. In my case, that’s my server.īut that’s the earliest hand-off of the email I can find. I was sending “as” an email address on a domain I own, like In order to be authentic, that email must be handled by the server authorized for that domain.I was using the Gmail app on my phone, so Google would start the sending process.That tells me that a mail server at Google first sent this message to my server,. ![]() The lowest “received from” line in my message looks like this: You want to look from the bottom of the headers to the top, as information is typically (though, sigh, not always) added to the top as the message makes its way from sender to recipient. There are two types of lines to look for that may yield clues: “Received: from” and variations of “Sender-IP”. That gobbledygook is all plain text, so one approach to making it easier to read is to click in it, select all, and then copy/paste to your favorite plain text editor if you have one. They’re not meant for the average user, as they’re full of technical gobbledygook. Now you can see why they’re hidden most of the time. will open a pop-up window containing the message source. Click on this to view the actual message source, complete with full headers.
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