Not directly related to exim I know, but I still think a large amount of
us would know a lot of users that this would be good for, and would reduce
some anxiety.
http://www.ntbugtraq.com/NoHTML.asp
"NoHTML.dll is an Outlook Add-in designed to convert HTML-based emails
into harmless messages. It works slightly differently for Outlook 2000
than it does for Outlook 2002. Does not work with Outlook 98, or any
version of Outlook Express."