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How to setup a mailserver with Exim4 and DBMail on a Debian 7 VPS

In this article we will walk you through the steps on how to setup a mailserver with Exim4 and DBMail on a Debian 7 (Wheezy) Linux VPS.

What is Exim4?

It is a mail transfer agent (MTA) used on Unix-like operating systems which is responsible for receiving, routing, and delivering e-mail messages.

What is DBMail?

It is fast and scalable sql based email service which stores email messages in a relational database. It supports multiple front-ends like IMAP4, POP3, ManageSieve, LMTP etc. and multiple back-ends like MySQL, PostgreSQL, Oracle and SQLite.

Main advantages of DBMail are:

Scalability
Manageability
Speed
Security
Flexibility

System Requirements?

A Debian 7 Linux VPS Hosting
Database server
Exim MTA