Based on some recent experience the Notes client does a very poor job of rendering HTML mail. As far as I can tell the problem relates to the clients interpretation of inline css.
Assuming that an email contains compliant CSS 1.0 instructions and XHTML I'd expect it to render well and currently it ...
Make Pasting Smarter
I often compose email messages that need to include content from a web page. A simple cut/paste into a Notes email often results in an ugly email. I find myself trying to use "Paste Special", trying various formats, and then cleaning it up.
There are several similar ...