How To Install postfix-cdb on Debian 12

Learn how to install postfix-cdb on Debian 12 with this tutorial. postfix-cdb is CDB map support for Postfix

Introduction

In this tutorial we learn how to install postfix-cdb on Debian 12.

What is postfix-cdb

postfix-cdb is:

Postfix is Wietse Venema’s mail transport agent that started life as an alternative to the widely-used Sendmail program. Postfix attempts to be fast, easy to administer, and secure, while at the same time being sendmail compatible enough to not upset existing users. Thus, the outside has a sendmail-ish flavor, but the inside is completely different.

This provides support for CDB (constant database) maps in Postfix. If you plan to use CDB maps with Postfix, you need this.

There are three methods to install postfix-cdb on Debian 12. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install postfix-cdb Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install postfix-cdb

Install postfix-cdb Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install postfix-cdb

Install postfix-cdb 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 postfix-cdb using aptitude by running the following command:

sudo aptitude -y install postfix-cdb

How To Uninstall postfix-cdb on Debian 12

To uninstall only the postfix-cdb package we can use the following command:

sudo apt-get remove postfix-cdb

Uninstall postfix-cdb And Its Dependencies

To uninstall postfix-cdb and its dependencies that are no longer needed by Debian 12, we can use the command below:

sudo apt-get -y autoremove postfix-cdb

Remove postfix-cdb Configurations and Data

To remove postfix-cdb configuration and data from Debian 12 we can use the following command:

sudo apt-get -y purge postfix-cdb

Remove postfix-cdb configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge postfix-cdb

Dependencies

postfix-cdb have the following dependencies:

References

Summary

In this tutorial we learn how to install postfix-cdb package on Debian 12 using different package management tools: apt, apt-get and aptitude.