email verifier

i have an email database of more tha 300 000 emails with a lot of invalid mails (more than 60 000), i'd like to have a script that verify the validity of the emails(if the emails really exists).Something simple . OF COURSE I NEED SYNTAX CHECKING BUT THE MOST IMPORTANT IS TO KNOW IF THE EMAIL ADRESS REALLY EXISTS!so we need real checking for each adress email if the server exist here you can fond a script which do that ,but with one email adress each time, it's not a bulk verifier. [login to view URL] ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform any