hello sir, i am totally agree with the Non Disclosure Agreement , i have question about the work, do you have the source, or you are the owner of the site from where i will get the email data, please let me know and share the link or any image of the source page , file etc... hope to hear from you, its really hard to track many peoples in a work, but if you hire me then i can give you the best service ,which you can track just in a message or just in a click Hope to hear from you. thanks !!