The Application Of Push Technology In PushMail Client System

With rapid development of society and the popularization of Internet, e-mail has become the people working and living in the essential communication tool. But with the fierce market competition and the accelerating pace of working life, send and receive e-mail subject to terminal constraints and the network cable is gradually revealed the weakness of restrictions, users began to seek more convenient channels of information. The phone as a universal high, application of information technology to facilitate the terminal has gradually begun the work of carrying more information transmission. E-mail through the mobile handset business e-mail came into being.Mobile Mail is based on the mobile terminal operations and capacity with active Push e-mail service, also known as PushMail. PushMail client software installed on the phone, the phone will provide a complete e-mail capability to receive, store, forward, reply, the new-email. That means users can place in any convenient, take the initiative to accept the deal with all types of attachments. PushMail market demand for mobile email mature, PushMail phone mailbox there, will e-mail communication washed nets line the shackles of true anytime, anywhere communication.This paper introduces the research background and the phone operating system; and details of the Symbian operating system features and some design ideas; and the Push technology of PushMail business knowledge; analysis of existing mail protocols, and described the U-IMAP protocol in detail which using between PushMail client and PushMail server; end of the paper based on the Symbian operating system PushMail client software design and implementation.