MOX Bulk Email Sender is free and powerful bulk email sender script to create and send to your email lists.
1. extract the bulk emailer archive.
2. Upload the whole directory "emailer" to your web root directory.
3. Give the permissions 777 to the directories "emailer/lists/" and "emailer/log/".
4. Open the url "http://www.yourwebsite.com/<your web-root-directory>/php/emailer.php".
5. Now you can use the script - have fun !
Download PHP Scripts : http://microcode.ws/
Cheap Web Hosting + FREE Domain : http://goo.gl/HY7Ubq
Can't install it because I don't understand the installation instructions
What does it mean in the readme.txt - note: this emailer send emails for us from your server when you open it