Connecting to a ServerBefore writing our first network program, lets learn about a great debugging tool for network programming that you already have, namely, telnet. Telnet is preinstalled on most s

Making URL ConnectionsIn the last section, you saw how to use socket-level programming to connect to an SMTP server and send an e-mail message. It is nice to know that this can be done and to get a gl

Advanced Socket ProgrammingIn the following sections, we cover advanced issues that arise in real-world programs. We first show you how to use timeouts and interrupts to deal with connection errors. W

Implementing ServersNow that we have implemented a basic network client that receives data from the Internet, lets implement a simple server that can send information to clients. Once you start the s

Sending E-MailIn this section, we show you a practical example of socket programming: a program that sends e-mail to a remote site.To send e-mail, you make a socket connection to port 25, the SMTP por