First you need to define a site in Dreamweaver. See the follo0wing for information on defining your site:
Once you have defined your site, extract the Contact form solution pack files to the root of the site.
now, open the contact us file, in the server Behaviors list, double click the Universal Email server behavior to edit it.
You can change the mail Object to Pear Mail for SMTP, then enter the correct information for the Pear Mail server.