This document discusses various internet services including email, newsgroups, file transfer protocol, internet relay chat, instant messaging, online services, and peer-to-peer services. It provides information on how to configure and use email clients to send and receive messages with attachments. It also describes how newsgroups allow users to read and contribute to discussions on various topics, and how file transfer protocol and peer-to-peer services allow sharing and transferring of files between computers. Instant messaging and internet relay chat enable real-time communication between users online.