Plesk Control Panel 8.4 offers you the following new features and enhancements:
Simplified installation of site applications. All site applications are sorted by categories, which makes it easier to choose the right application to install.
DomainKeys support. Now you can use DomainKeys e-mail sender authentication mechanism to reduce the amount of spam and phishing e-mails that are sent to your customers. For more information, refer to the chapter Setting Up Spam Protection.
Updated components used with Plesk Control Panel. The latest versions of the following software can be used with Plesk Control Panel: Acronis True Image Server 9.5, Parallels Plesk Sitebuilder 4.2, Horde 3.1.7, SPAW 2.0 (editing software used in Plesk File Manager), Adobe ColdFusion 8.
4PSA VoipNow software support. The VoIP solution developed by 4PSA is now fully supported by Plesk Control Panel. For information about 4PSA VoipNow, refer to http://www.4psa.com/index.php?pcat=products&pag=4psavoipnow