mailserver

Setup a mailserver with Exim and Dovecot on a CentOS 7

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exim vpsThe following article will guide you through the steps of installing and setting up a mailserver using Exim and Dovecot on a CentOS 7 VPS.

For this tutorial, we are using one of our CentOS-based managed VPS hosting plans, pre-installed with minimal CentOS 7 OS.

What is Exim?

Exim is a mail transfer agent (MTA) used on Unix-like operating systems. Exim is free software distributed under the terms of the GNU General Public License, and it aims to be a general and flexible mailer with extensive facilities for checking incoming e-mail.

What is Dovecot?

Dovecot is an open source IMAP and POP3 email server for Linux/UNIX-like systems, written with security primarily in mind. Dovecot is an excellent choice for both small and large installations.

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How to set-up server-side email filtering with Dovecot Sieve and Roundcube on a CentOS 6 VPS

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Install and set-up Roundcube webmail interfaceThe following article is part 6 of the mailserver set-up with virtual users and domains using Postfix and Dovecot series. It covers the steps used to set-up server-side email filtering with Dovecot Sieve and Roundcube on a CentOS 6 VPS

At the end of this article you will end up having the ability to set-up your own server-side mail filter rules and automatically deliver emails to specific maildir based on a filter rule.

What is all this about?

The project behind this is known as Pigeonhole. It’s great because it adds support for the Sieve language (RFC 5228) and the ManageSieve protocol (RFC 5804) to the Dovecot Secure IMAP Server. Additionally, one can easily manage these filter rules via Roundcube’s web interface.

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How to install and integrate SpamAssassin with Postfix on a CentOS 6 VPS

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spamassassinThe following article is part 4 of our mailserver set-up with virtual users and domains using Postfix and Dovecot on a CentOS 6 VPS, followed by part 2 which explains how to install and set-up the Roundcube webmail interface on a linux vps server and then part 3 which is all about how to set-up an SSL encrypted connection in Postfix, Dovecot and Apache using SSL certificates.

In this tutorial we are going to set-up SpamAssassin on one of our CentOS 6 linux virtual servers and integrate it into our Postfix mailserver set-up so it can scan and mark the emails detected as SPAM.

What is SpamAssassin?

It is a program released under the Apache License 2.0 used for e-mail spam filtering based on content-matching rules.

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Mailserver with virtual users and domains using Postfix and Dovecot on a CentOS 6 VPS

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mailserver-with-virtual-users-and-domains-using-postfix-and-dovecot-in-centos-6The following article will show you how to install and run simple POP3/IMAP/SMTP mail server in your CentOS VPS using virtual users and domains with Postfix and Dovecot

What is Postfix? It is a drop in replacement for the old and mature Sendmail. Postfix also attempts to be very fast, easy to administer, and secure.

What is Dovecot? It is an open source IMAP and POP3 server for *NIX-like systems, written primarily with security in mind.

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