WP-Mail-SMTP
Reconfigures the wp_mail() function to use SMTP instead of mail() and creates an options page to manage host, username, password, etc.
Screenshot of WP-Mail-SMTP
Plugin Name: WP-Mail-SMTP
Version: 0.5.2
Information Link: http://www.callum-macdonald.com/
Download Plugin: WP-Mail-SMTP