Sending email from another person's mail

Sending email from another person's mail

Mate de Vita

2008 Oct 4 • 2453
159 ₧
So, my schoolmate claimed today that he can send an email to someone and make it say e.g. under receiver, so that Someone thinks the email is actually from superjer.
Also if Someone decides to reply to this email, he will send the email to, not my friend's real address.

Naturally my friend wouldn't share the instructions on how to do it with me, so that he can try to prank me some time in the future.

It may be worth mentioning that this friend of mine is learning php.

So, any idea how he can do that (or if he can do that)?
...and that's the bottom line because Mate de Vita said so.
2009 Dec 4 at 15:02 PST — Ed. 2009 Dec 4 at 15:02 PST
Down Rodeo
Cap'n Moth of the Firehouse

Find the Hole II Participation Medal
2007 Oct 19 • 5486
57,583 ₧
2009 Dec 4 at 15:19 PST

2005 Mar 20 • 6625
This is very easy to do. For example in PHP:

php code
<?php $to = ""; $subj = "Spoofed mail from Jer"; $body = "Hello there"; $headers = "From: Jer <>"; $sendmail_params = ""; mail($to,$subj,$body,$headers,$sendmail_params); ?>

I use this all the time for sending email from automated systems on, and other sites.

But if hotmail is using SPF, and your email server or client bothers to check SPF records, the email should get marked as spam or dropped completely.

SPF ensures that only authorized IP addresses can send mail on behalf of a particular domain, but only if your email system checks the records.
2009 Dec 4 at 16:32 PST — Ed. 2009 Dec 4 at 16:35 PST
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