netwyman

A mail server (or email server) is a computer system that sends and receives   email . In many cases,   web servers   and mail servers are combined in a single machine. However, large   ISPs   and public email services (such as Gmail and Hotmail) may use dedicated hardware for sending and receiving email. In order for a computer system to function as a mail server, it must include mail server   software . This software allows the system administrator to create and manage email accounts for any   domains   hosted on the server. For example, if the server hosts the   domain name   "techterms.com," it can provide email accounts ending in "@techterms.com." Mail servers send and receive email using standard email   protocols . For example, the   SMTP   protocol sends messages and handles outgoing mail requests. The   IMAP   and   POP3   protocols receive messages and are used to process incoming mail...

Network Protocols  are a set of rules governing exchange of information in an easy, reliable and secure way. The most popular model used to establish open communication between two systems is the  Open Systems Interface (OSI) model  proposed by ISO. As Networking Protocols are one kind of defined or created standard policies with rules, some procedures and format to communicate between one or more devices over the Network. Network Protocols Network Protocols are used to manage end to end process of Network Communication with as per defined process, time and securely. Types of Protocols Transmission Control Protocol (TCP) Internet Protocol (IP) User Datagram Protocol (UDP) Post office Protocol (POP) Simple mail transport Protocol (SMTP) File Transfer Protocol (FTP) Hyper Text Transfer Protocol (HTTP) Hyper Text Transfer Protocol Secure (HTTPS) Telnet Gopher Now let’s understand about the above proto...