you will need to use the Pear Mail for SMTP mail object. In the Universal Email wizard, click the envelope icon to access the SMTP server settings, you can change the mail object used there to Pear Mail and enable authentication.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.