How To Install bld-postfix on Ubuntu 18.04

In this tutorial we learn how to install bld-postfix on Ubuntu 18.04. bld-postfix is Postfix tools for the Black List Daemon

Introduction

In this tutorial we learn how to install bld-postfix on Ubuntu 18.04.

What is bld-postfix

bld-postfix is:

BLD stands for “black list daemon” and is intended to build blacklists using simple rules based on a maximum number of submissions of the same IP address during a minimum time interval. BLD was primarily designed to fight against dictionary-based spams (by making the MTA report to BLD any host that tries to send a mail to an unknown user) but can be used by any application that needs a blacklist based on connection rate limits.

This package contains the tools dedicated to Postfix.

There are three methods to install bld-postfix 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 bld-postfix Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install bld-postfix

Install bld-postfix Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install bld-postfix

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

sudo aptitude -y install bld-postfix

How To Uninstall bld-postfix on Ubuntu 18.04

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

sudo apt-get remove bld-postfix

Uninstall bld-postfix And Its Dependencies

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

sudo apt-get -y autoremove bld-postfix

Remove bld-postfix Configurations and Data

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

sudo apt-get -y purge bld-postfix

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

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

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

References

Summary

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