You can use Dreamweaver to develop the code for the HTML email, but it won't do it for you. Your best bet if you don't know much about coding, is to use the free templates available with many email marketing clients, like MailChimp.
This is a link to a post in another topic with some other guides to help you with HTML email.
For HTML E-mails, use CodeView.
http://alt-web.com/Articles/HTML-Emails.shtml
Nancy O.
Alt-Web Design & Publishing
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