POP (Short for Post Office Protocol) is a protocol used to retrieve e-mail from a mail server. Most e-mail applications (sometimes called an e-mail client) use the POP…

SMTP: (pronounced as separate letters) short for Simple Mail Transfer Protocol, a protocol for sending e-mail messages between servers. Most e-mail systems that send mail over the Internet…

In a way, you are already familiar with spam – after all, you get some every day. Spam is a form of an electronic junk mail or junk…

As Wikipedia defines it, a local area network (LAN) is a network that connects computers and devices in a limited geographical area such as home, school, computer laboratory,…

An Email Client, Email Rader, or Mail User Agent (MUA), is an application – a computer program – used to send, receive and view e-mail. Some common examples…

A firewall is An electronic boundary (or physical piece of hardware) that prevents unauthorized users and/or packets of data or information (e.g., files and programs) from accessing a…

DNS: Short for Domain Name System (or Service or Server), an Internet service that translates domain names into IP addresses. The Internet is really based on IP addresses,…