Expert at PHP writing that can modify a script to send emails and SMS - repost

I am looking for someone who has experience in php writing. Someone that can look at a script and modify it to allow it to send emails and sms to people just like a newsletter. The goal of the project is to be able to have a script that is able to retrieve information from a calendar and send it to members via email/sms. Only serious bidders please Send me a message if you need more information