[ Thanks to linuxaria for this link.
“As well as documentation for those interested, I
sincerely hope that it can raise awareness of the non-security of
“electronic mail” and help users to take the appropriate
“Let’s start with this basic idea: “Email is not a secure media
for transmitting information.”
“In fact, almost all e-mail when traveling in the network are in
clear text, without any form of encryption. As you know, an e-mail
message, from the time he leave the sender PC since it arrive to
the destination PC, it’s crossing different networked machines,
each of which deals with “forward” it in the right direction.
Whoever is at the controls of any of these machines can then view
(sniff) this message, at great risk to the privacy of the sender