>How do they do it?  We recently used a company called TargetInteractive to
>send an email blast.  The blast was in HTML, but, they also prepared a text
>version for those whose email client does not accept HTML.  How does the
>mailserver determine what the users email software will accept (HTML/text)?

The mail server isn't involved.

The mail client can either send out just the plaintext segment (such as 
with this E-mail; we choose not to send out HTML in our E-mail), or both a 
plaintext and an HTML segment (Outlook loves to do this, even if the HTML 
is identical to the plaintext segment), or just an HTML segment.

As you may now be guessing, a mail client that understands HTML will 
display HTML for either the "plaintext+HTML" or "HTML only" types (and will 
display text only if it receives just the "plaintext" type).  A mail client 
that doesn't understand HTML will display plain text for the "plaintext" or 
"plaintext+HTML" types, but of course won't be able to properly display the 
E-mail if it is HTML only.

So if you send both the plaintext and the HTML, everyone will get the 
E-mail and be able to read it.

                                                    -Scott
---
Declude: Anti-virus, Anti-spam and Anti-hijacking solutions for 
IMail.  http://www.declude.com

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[This E-mail was scanned for viruses by Declude Virus (http://www.declude.com)]


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