Archived posting to the Leica Users Group, 1996/06/09

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To: leica-users@mejac.palo-alto.ca.us
Subject: Re: Appended Files....
From: Brian Reid <reid@mejac.palo-alto.ca.us>
Date: Sun, 09 Jun 96 22:43:37 PDT

This is a mistake in the installation and configuration of the
Microsoft Exchange server at Chuck Warman's company.

Microsoft Exchange works in the following way.
When you send mail within your group, the mail just sits on the server,
and the "check mail" operation tells you what is in your part of the
server but doesn't really move it anywhere. It's like leaving messages
on the refrigerator.

When you send mail within a company or group, you are able to put all
manner of fancy stuff into the message for your recipient to see. That
fancy stuff is encoded in a way that cannot be transmitted over the
Internet. 

When you send mail to somebody outside your workgroup, your computer
hands it to the Exchange Server and says "please send this". If the
Exchange Server looks at the message and notes that it uses any fancy
features, then it automatically appends a binary file to the end of the
message, one which is intelligible only to another Microsoft Exchange
server, that allows the receiving server to reconstruct the fancy stuff.

An Exchange server should be configured not to do this. However, if you
don't use font changes, underlining, italics, boldface, or special
characters in your message, and if you use only a fixed-width font
then it will probably not send the thing in the first place.

In reply to: Message from Chuck Warman <cwarman@sol.wf.net> (RE: Appended Files....)