Due to the large number of sites submitted, and the fact that they come and go, some search engines will return periodically to the site to update the index, others drop it out of the database after about 6 months. It is impossible. There are numerous promises floating around out there that say that it can be done, but they are just as successful as pyramid schemes. Search Engines make money from advertising. Their only product is people using their search engine to find something successfully.
Lets look at an example.
No One can promise you that you will be first. There can only be one first. Messages are encoded in computer text format. E-mail was one of the first uses of the Internet and is still probably the most popular single use. A large percentage of the total traffic over the Internet is e-mail.