At offline mail
server, users have a local mail access. They can manage, read, send or receive
email locally to another person in the local area network. Infomediary device
allows email data to be sent from offline network to online network and vice
versa. This extends the offline email system network by allowing user to read,
send and receive email in an offline environment or in an online environment.
At the online mail server, users also have a local mail access. Since the
online mail server is connected to the internet, users able to send and receive
email from other Internet Mail such as Gmail and Hotmail directly. With the
help of infomediary device, online users can receive or send email to the rural
users at the offline mail server. This offline email system is not using native
DTN protocol but applies a DTN store and forward fundamentals in TCP/IP by
using a database synchronization process.
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