How To Install courier-ldap on Ubuntu 20.04

In this tutorial we learn how to install courier-ldap on Ubuntu 20.04. courier-ldap is Courier mail server - LDAP support

Introduction

In this tutorial we learn how to install courier-ldap on Ubuntu 20.04.

What is courier-ldap

courier-ldap is:

The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open commodity protocols, such as ESMTP, IMAP, POP3, LDAP, TLS, and HTTP. Courier provides ESMTP, IMAP, POP3, webmail, and mailing list services within a single, consistent, framework.

This package contains support for LDAP authentication and LDAP-based mail aliasing.

There are three methods to install courier-ldap on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install courier-ldap Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install courier-ldap using apt-get by running the following command:

sudo apt-get -y install courier-ldap

Install courier-ldap Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install courier-ldap using apt by running the following command:

sudo apt -y install courier-ldap

Install courier-ldap Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install courier-ldap using aptitude by running the following command:

sudo aptitude -y install courier-ldap

How To Uninstall courier-ldap on Ubuntu 20.04

To uninstall only the courier-ldap package we can use the following command:

sudo apt-get remove courier-ldap

Uninstall courier-ldap And Its Dependencies

To uninstall courier-ldap and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove courier-ldap

Remove courier-ldap Configurations and Data

To remove courier-ldap configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge courier-ldap

Remove courier-ldap configuration, data, and all of its dependencies

We can use the following command to remove courier-ldap configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge courier-ldap

References

Summary

In this tutorial we learn how to install courier-ldap package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.