1) Someone tagged me in a photo and it leaked their IP address.
2) Someone who is not even my friend commented on someone's status, and I got a notification because I made a comment before her. It leaked her IP address to me.
These situations are not comparable to e-mail, and I seriously doubt these people reasonably expected their IP address to be sent to me based on these actions.
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Seems Facebook users are born in 2009 or after wards. Every email service sends your IP address with the email. The exception is Google.
1) Someone tagged me in a photo and it leaked their IP address.
2) Someone who is not even my friend commented on someone's status, and I got a notification because I made a comment before her. It leaked her IP address to me.
These situations are not comparable to e-mail, and I seriously doubt these people reasonably expected their IP address to be sent to me based on these actions.
Every? My mail appears to originate from mail.jrock.us, my MX, regardless of whether or not its actually composed on that machine.