How do I... Create secure tunnels for client-server communication with OpenSSH?

OpenSSH offers a suite of tools for secure client-server communication, including the ability to create secure "tunnels" for any kind of client-server communication, including checking/sending e-mail or Web browsing. This How do I... introduces you to OpenSSH's secure tunneling capabilities, by demonstrating how the program can be used to create an encrypted tunnel for checking a POP3 mailbox. It assumes a properly-configured *NIX system, and access to a remote POP3-compliant mailbox.

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