On 19-07-13 17:58:12, home user via users wrote:
I just received a message from
   [sender]@gmail.com
but the last line in the message is a bluish line saying
   "Sent from Yahoo Mail on Android"
I do know someone named [sender] but the from address is not what
I have for that person, though the sender could have gotten a new
e-mail address very recently.  Also, the from address being a Google
e-mail address seems to contradict the last line saying the message
was sent from Yahoo Mail.  Is this message probably genuine or
probably a spoof?

If you can't tell from the content, it's usually spam.

Look at the message header.  (View Source is a good way, as it will be
exact.)  The first Received: line and any lines before it come from
your email provider, who is mostly to be trusted, though anyone can
make mistakes.  If that line says the "from" is reasonable, look at
the lines up to and inclucing the next Received: line and loop,
otherwise stop, it's spam.  You can also look at other header fields;
it may be the sender did get a new email address but prefer replies to
go to the old one -- but probably not.

--
____________________________________________________________________
TonyN.:'                       <mailto:tonynel...@georgeanelson.com>
      '                              <http://www.georgeanelson.com/>
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