How To Install opensmtpd-extras on Ubuntu 18.04

In this tutorial we learn how to install opensmtpd-extras on Ubuntu 18.04. opensmtpd-extras is addons for the OpenSMTPD SMTP server

Introduction

In this tutorial we learn how to install opensmtpd-extras on Ubuntu 18.04.

What is opensmtpd-extras

opensmtpd-extras is:

This package provides a subset of addons for OpenSMTPD, including experimental ones. Please see each for a description of additional dependencies.

  • Tables:
    • ldap: support lookup against LDAP
    • mysql: support lookup against MySQL
    • passwd: support lookup in passwd-format tables
    • postgres: support lookup against PostgreSQL
    • redis: support lookup against a Redis server
    • socketmap: support lookups against sockets
    • sqlite: support lookup in SQLite tables

There are three methods to install opensmtpd-extras on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install opensmtpd-extras Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install opensmtpd-extras

Install opensmtpd-extras Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install opensmtpd-extras

Install opensmtpd-extras 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 opensmtpd-extras using aptitude by running the following command:

sudo aptitude -y install opensmtpd-extras

How To Uninstall opensmtpd-extras on Ubuntu 18.04

To uninstall only the opensmtpd-extras package we can use the following command:

sudo apt-get remove opensmtpd-extras

Uninstall opensmtpd-extras And Its Dependencies

To uninstall opensmtpd-extras and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove opensmtpd-extras

Remove opensmtpd-extras Configurations and Data

To remove opensmtpd-extras configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge opensmtpd-extras

Remove opensmtpd-extras configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge opensmtpd-extras

References

Summary

In this tutorial we learn how to install opensmtpd-extras package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.