WEBUI Mails in Text format

Hi Gurus,

How to sent emails from Web UI in text format...

If I use mail form which are formatted as Text then its going in text format

if I send normally it's going as HTML...we would like to send mails in Text format.

I used the below link...but its not working

http://it.toolbox.com/wiki/index.php/CRM_Email_Settings

Please advise.

Sharath.