If it's plane-text message than you've no control over font because recipients email client desides what font to use based on it's configuration. You can send email in HTML format. In this case you can use HTML tags to format it any way you want. However, if email client doesn't support HTML message, your recipient may not be able to read it.

>Hi all :-))
>
>Is it possible to set font of the message
>created via OLE automation to specific font ?
>Something like
>
>oOutlook. ? . ? .font.name = 'Courier New'
>
>Thks in advance