How To Install pmailq on Debian 10

Learn how to install pmailq on Debian 10 with this tutorial. pmailq is postfix mail queue manager

Introduction

In this tutorial we learn how to install pmailq on Debian 10.

What is pmailq

pmailq is:

pmailq parses the output of command from postfix (postqueue -p). It permits to perform some actions on a group of entries in queue (like removing or displaying them in a machine readable format). They are selected by applying filters (wildcards are allowed) on criterias like email address, error message from SMTP server, message size, mail status in queue.

There are three methods to install pmailq on Debian 10. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install pmailq Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install pmailq

Install pmailq Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install pmailq using apt by running the following command:

sudo apt -y install pmailq

Install pmailq 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 Debian. Update apt database with aptitude using the following command.

sudo aptitude update

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

sudo aptitude -y install pmailq

How To Uninstall pmailq on Debian 10

To uninstall only the pmailq package we can use the following command:

sudo apt-get remove pmailq

Uninstall pmailq And Its Dependencies

To uninstall pmailq and its dependencies that are no longer needed by Debian 10, we can use the command below:

sudo apt-get -y autoremove pmailq

Remove pmailq Configurations and Data

To remove pmailq configuration and data from Debian 10 we can use the following command:

sudo apt-get -y purge pmailq

Remove pmailq configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge pmailq

Dependencies

pmailq have the following dependencies:

References

Summary

In this tutorial we learn how to install pmailq package on Debian 10 using different package management tools: apt, apt-get and aptitude.