Outlook 2000 doubles the size of my outgoing HTML mails

[dxd]

Outlook 2000
============

I send an internal company newsletter which I compile as an HTML file
programatically. The HTML file is about 95KB, however when I send this
file using Outlook 2000 the file that is received is double this size.
There appears to be no difference in the visible message, so there must
be some hidden data.

Strangely the mail in my sent box remains 95Kb, it's the one in my
inbox that get's doubled. Does this imply its our corporate exchange
server that's doing it?

I read Sue Mosher's http://www.slipstick.com/mail1­/html.htm guide,
and was able to send HTML mail these ways but with the same result.

Any ideas?

Thanks

David

 

[dxd]

I've subsequently discovered that the issue seems occur when Outlook
receives the mail, rather than when it is sent.

If the same mail is received by a Thunderbird client and an Outlook
2000 client it appears as 100KB in Thunderbird and 200KB in Outlook.

So it appears that it doesn't matter how I send the email it's the
receiving email client that affects the size