> Then when sending, I want either the HTML version or a Plain Text
> version sent to e-mail list, based on the type of mail system they
> use.
You will need to ask them which they want. Or, you can save a lot of work, and send
both text and HTML (99% of HTML E-mails have a text version sent with them). If they
can view HTML, it will show up as HTML. Otherwise, it will appear as text.
> As I understand from one of our local eMessaging companies, they use
> some type of "Sniffer ID" to determine which version to send (HTML if
> it can be accepted, otherwise simply plain text version.)
That just won't work. If you send me an E-mail, my mail client ain't gonna respond
with any information, unless I want you to have information. They are likely
referring to the "invisible dot"'s that can be sent in HTML E-mail (a 1-pixel by
1-pixel dot that doesn't display, but notifies the sender that the recipient received
the E-mail, based on a unique URL). Those are unreliable -- they can indicate that
the recipient almost certainly received the E-mail, but that's it.
The "invisible dot" can't let you know whether or not HTML is used. If you don't get
the dot request, it could mean that the E-mail bounced, or the person deleted it,
didn't read it, wasn't connected to the Internet when they read it, etc.
And, those "invisible dot"'s are a major privacy concern. If someone realizes that
you sent them one, they aren't going to be happy with you. Of course, they should be
blaming Microsoft as well for allowing it.
--
-Scott
Declude: Anti-virus and Anti-spam solutions for IMail. http://www.declude.com
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