automatic email shooter (Cron job)

hi, i m working on a website for car dealer. most of the works are done and just few things remaining and want to finish them asap. this is a website, collects email id of clients who register themselves to the site and get emails about the offers and car servicing schedules/reminders from the car dealer. just want to shoot email to registered users on specific time/date. there is one more requirement - i want to give a control to the car dealer, where he can revise the rates of cars. ***LOTS AND LOTS OF WORK FOR SUCCESSFULL BIDDER AS OUR PART OF TEAM.*** ## Deliverables * * *This broadcast message was sent to all bidders on Tue. Dec 14, 2010 5:18:57 AM: IMAXINATION changed the ExpertRating requirements on this project from: Power Builder Test Programming with C Test Developer 2000 Test Visual Basic 6 Test Delphi 6 Test Dot Net Fundamentals Test VB.NET 2003 Test [login to view URL] 2003 Test JSharp 2003 Test OOPS Concepts Test ColdFusion MX 7 Programming with C++ Test Advanced PHP Test OpenGL Programming Test Game Programming Concepts Test System Programming Test Google Android Programming Test Kernel Programming Test (Solaris 2.x internals) Cocoa programming for Mac OS X 10.5 Test iPhone Programming OS 2.1 Test Objective C Test Compiler Design Test SQL Skills Test (Hands-on programming skills) PHP Programming Skills Test Perl Programming Skills Test (Hands-on programming skills) JAVA Programming Skills Test (Hands-on programming skills) Knowledge of Prototype Skills Test C++ Programming Skills Test (Hands-on programming skills) Test of Knowledge of General JavaScript Skills VB.NET Programming Skills Test (Hands-on programming skills) Knowledge of SAP ABAP Test SAP Netweaver Skills Test To: PHP5 Test * * *This broadcast message was sent to all bidders on Tuesday Dec 14, 2010 5:20:38 AM: need expert rating on php only