Usually you can pick apart the e-mail to see where it really came from.
Pete's looks something like this:
>From: Pete Smith <firstname.lastname@example.org>
>Subject: Re: [Towertalk] W32.Elkern removal tools
Plus a lot of other stuff.
But I would rather strugle with the 5 element 10 meter yagi
I am now building.
Equally spaced at 59.5 inches with:
Seems to work well on the computer, now just to get it up
one wave length before the end of the solar cycle :-)