Linux Mail Server

A mail server is dedicated to sending and receiving mails from different people. A software application does the job of handling the sending of messages from the client machines to the other servers and it also handles the job of receiving messages from other servers.

 

A mail server is a very important part of the IT infrastructure of any organization, but its installation and maintenance is not very easy and it often becomes quite difficult for small and medium organisations paying up an expert to set up a mail server often gets a little difficult.Mail transfer agents (MTA) are complex to set up on their own.

 

The Linux Email server allows the real time to implement the features such as Spam filtering, Virus Scanning, email forwarding, auto- answering etc. The Linux mail server offers the following services:

 

• SMTP (outgoing) :

The SMTP, which is an acronym for the Simple Mail Transfer Protocol, is the de facto standard for transmissions of e-mail across the Internet. SMTP uses TCP port 25. Mostly you run Sendmail, Postfix, Exim or Qmail.

 

• IMAP / IMAPS :

The Internet Message Access Protocol (IMAP) is an application layer Internet protocol which enables a local client to make use of e-mail on a remote server. In order to access IMAP server you can make use of Microsoft Outlook or Mozilla Thunderbird mail client.

 

• POP3 / POP3s:
  Post Office Protocol version 3 which can be written as POP3 is an application-layer Internet standard protocol. It is mainly used in order to retrieve e-mail from a remote server over a TCP/IP connection..

 

There are many Linux email server solutions in the world. Linux email servers are powerful tools, providing a very good service at reasonably good cost in both hardware and software.