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Re: Mathematica Categorization - Humor

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  • Subject: [mg52057] Re: [mg52037] Mathematica Categorization - Humor
  • From: Andrzej Kozlowski <akoz at>
  • Date: Tue, 9 Nov 2004 01:36:44 -0500 (EST)
  • Sender: owner-wri-mathgroup at

On 8 Nov 2004, at 17:13, William E. Bohrer wrote:

> Dear Steve!
> Thank you very much for this sentence in your [mg51971] wherein you 
> state:
> "I sometimes get spam from myself!" This is so funny that I laughed out
> loud!
> Then I ran off to tell my wife, but she started chanting her "You love
> Mathematica better than you love me!" mantra so I guess she didn't get 
> it.
> Thanks again for a truly wonderful laugh!  I have been chuckling about 
> this
> all day!
> Bill Bohrer
> P.S.  Then I emailed it to both of my friends!  BB
> P.P.S.  Then I printed a hard copy!  I'm gonna show it to my therapist 
> on
> Wednesday!  If she thinks it is as funny as I do, then I will even 
> show it
> to my Parole Officer!

It may have sounded like a good joke to you but I don't think it was 
meant to be one. It is very easy to "get spam from oneself". You can 
easily "spoof" any person's e-mail address and pretend that that is 
where the mail you are sending is coming from. This trick is so well 
known it has a special name: "a joe-job". And, in particular, you can 
send someone a message that looks like it is coming from him. The 
spammer hopes than in this way the message will avoid being filtered. I 
used to get quite a few messages like that and I assure you they did 
not make me laugh. Now I don't because the filter on my mail server is 
set to reject any mail that seems to be coming from me.

Andrzej Kozlowski

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