PHP Tell A Friend - Website Recommendation Script

With this PHP Tell A Friend Script you are able to let visitors recommend your website. Both HTML layout and e-mail layout are template driven and customizable. This script also includes several security features to prevent abuse by spammers.
The script can only be called from a site that has been added to a white list of referring sites. Additionally you can put one or more fix recipients to the mail template without possibilities of manipulation by a third party. And third you can determine the number of e-mails that a user can send with your form within a fix duration.

Functions and features of Tell A Friend Script
Processing form data and send it per e-mail
Handling of several forms with the same script
Full customizable website layout by templates
Full customizable mail content by templates
Sending text or HTML e-mails
E-mail message logging feature
Security features against abuse
Preview of the messages
Available language files: Arabic, Czech, English, German, Swedish .