Sending Email with Netcat

"Is it possible to send an email from a host that has no email client software installed? As long as you have netcat, of course it is!

"Netcat (/usr/bin/nc on Red Hat Enterprise Linux systems) is a simple utility for reading and writing data across TCP/UDP connections. It's often used for testing and debugging network connections. In its most basic usage, netcat allows you to feed a stream of data to a specific port on a specific host, which is perfect for our purpose here. Check the netcat man page for more information on it's various features. There are also sample scripts under /usr/share/doc/nc-*/. If netcat is not installed on your Red Hat Enterprise Linux, CentOS or Fedora system, you can install it with the command yum install nc."

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