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On 2013-07-31 3:20 AM, Andrew Brown <andrewbr@icon.co.za> wrote:
Not what I am referring to, I think you have misunderstood my content.
Agreed and I know the headers (or should I say mail body code)

I assure you I have a very good understanding of this, and 'mail body code' is certainly *not* another way of saying 'email headers'.

What I am referring to is that the header information is hidden by
default, but one can reveal this hidden info to trace where the mail
has come from or going to. It's used by security officers like myself
and online Service Providers to trace emails, spam, malicious content
etc.

Been there/done that many times.

if you ever launch a complaint to your SP over spam mail received, they
ask you to send a copy of the email with "All" headers revealed. In
Thunderbird this is a relatively easy thing to do, just two clicks, as I
explained to Tom in my email. In MS Outlook a bit more involved "Email
opened in new window - expand Tags toolbar lower right (you will also
see "Follow up" and "Mark as unread" option there) - Options - Internet
headers.

Or, you can just do as I *always* have done - and what every lawyer or 'security officer' I have ever worked with requests - and forward the email in question *as an attachment* - which *always* includes the full headers.

Forwarding in-line (as you are discussing), the headers that are included in the mail body text are way too easily modified (either accidental or by intent), and should *never* be relied on by a 'security officer' tasked with investigating such things.

What I was simply replying to Tom, was how to reveal the headers to see
if the email was spam. And no if your headers are in their normal
state/setting, hidden by default, they are never revealed in any emails
sent, that is the body text of the sender. Only if you leave the option
to reveal the headers on, will the sent emails show all of the code and
make the email look like garbage.

And again, this is only true when replying, and when forwarding *in-line*. When forwarding as an attachment, the full headers are *always* included.

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