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Date: Wed, 13 Dec 1995 00:37:00 -0500
From: Andy Schmidt <73467.2574@co*.co*>
Organization: H&M Systems Software, Inc.
To: HeyyDude@ao*.co*
CC: techdiver@terra.net
Subject: Re: Postings
HeyyDude@ao*.co* wrote:

> the implications of this false
> posting is scary.
> 
> Can someone tell me how it is possible to do this?  I complained already to
> the AOL people, and they said they're working on it.

It's a known shortcoming of the SMTP protocol used in the Internet. While the
mail server 
will make certain that only the PROPER person can READ someone's mailbox, there
is NOT 
checking in the mail servers with respect to the "FROM:" information. 

In other words, anyone can change their "FROM:" field to anything they please
and post 
messages to their mail server. The mail server will dutifully post these
messages.

Only by examining the complete messages headers can one at least track down the 
originating host and from there identify whether the sender is "plausible" or
not.

For the longest time my messages were posted through "aschmidt@ni*.ne*" but I
decided 
that I wanted to receive my replies to my primary CompuServe address. I simply
specified 
my CompuServe internet address as the "From:" field in my mail reader and
voila, all my 
message appeared to come from Compuserve.

I'd be REALLY interested in how America Online believes that they can "FIX"
this problem. 
It's not a problem - it's design, although a poor one.

Best Regards
Andy Schmidt [NJ]

CompuServe: 73467,2574 * AOL: ASchmidt1 * GENIE: A.Schmidt1 * MSN: Andy_Schmidt
http://ourworld.compuserve.com/homepages/andy_schmidt/

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