On Mon, Mar 06, 2017 at 12:26:00PM +0100, Philip Hands wrote:
Christopher Clements <email@example.com> writes:On Sun, Mar 05, 2017 at 09:55:14AM +0100, Philip Hands wrote:Christopher Clements <firstname.lastname@example.org> writes:On closer examination, I think you are correct in saying that the replies are written by the spammer as well.On closer examination of what?The "To:" field.Ah, yes, a very common misconception.
I love it when an email includes "common misconception": it usually means I'm about to get a little smarter.
All the headers that email programs normally show you are part of the (trivial to forge) contents of the message.
I have mutt configured to let me edit the headers along with the message, but I thought that stuff like the "To:" field were read by SMTP servers to determine where to deliver the message, sort of like post office relay boxes. I was under the assumption that if I wrote a message with "To: Alice Bob <email@example.com>" and sent it to mail.google.com, the server would pass it on to example.com (or the MX record). Sort of like every SMTP server is a post office. -- GPG Key: 0769 AFCF 681E F61E 2137 F4CB 5044 1726 610D 5AE0
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