If you normally send e-mail as plain-text, but would like to occasionaly send in HTML format, then hold down the Shift key while clicking on the Compose or Reply button, this e-mail will now be in HTML edit format.
It works both ways as well. If you normally send e-mail as HTML, Shift-clicking on Compose will use the plain-text edit.
In a related note, always sending e-mail as HTML is wrong. So if you use Mozilla Mail, go to Edit | Mail & Newsgroup Account Settings, select the account, and uncheck Compose messages in HTML format. Thank you.
