Yes, that could work with some clients, but I would make sure the format is expandable, because the email client may over-ride anything you put in for dimensions.

I would seriously try several...

I think that may be do to your sys settings.

Maybe "tools|Internet Options|Advanced Tab"

I've used every windows system exceot 2000 and they've always opened a direct download dialog when...

You are wanting to allow the user to download a ZIP file from your website? By choice, and by link/button?

Simple, instead of the link pointing to filename.html, use filename.zip. User will get an...

I agree, some sort of SSI, or server-side JS.
The problem with that is you cant gaurantee it would work with the targeted audience. Only supported email progs would render it properly.
Alot of...