How To Install qpsmtpd on Kali Linux

Introduction

In this tutorial we learn how to install qpsmtpd on Kali Linux.

What is qpsmtpd

qpsmtpd is:

This is a replacement SMTP daemon which installs alongside a mail delivery
and transport system such as Exim, Postfix or Qmail, or used as an SMTP
proxy for a remote/DMZ MTA.

The qpsmtpd damon emphasizes spam detection during the SMTP transaction,
attempting to reach spam/nonspam decisions prior to accepting each message,
thereby eliminating much bounce/forgery blowback. It exploits its visbility
into the network transaction to detect certain behaviors often exhibited by
spam sending agents.

Qpsmtpd is written in Perl, with an extensive plugin API making it easy to
add new features or replace functional components.

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

Install qpsmtpd Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install qpsmtpd

Install qpsmtpd Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install qpsmtpd

Install qpsmtpd Using aptitude

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

sudo aptitude update

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

sudo aptitude -y install qpsmtpd

How To Uninstall qpsmtpd on Kali Linux

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

sudo apt-get remove qpsmtpd

Uninstall qpsmtpd And Its Dependencies

To uninstall qpsmtpd and its dependencies that are no longer needed by Kali Linux, we can use the command below:

sudo apt-get -y autoremove qpsmtpd

Remove qpsmtpd Configurations and Data

To remove qpsmtpd configuration and data from Kali Linux we can use the following command:

sudo apt-get -y purge qpsmtpd

Remove qpsmtpd configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge qpsmtpd

Dependencies

qpsmtpd have the following dependencies:

• debconf
• perl
• adduser
• libdigest-hmac-perl
• libmail-spf-perl
• libnet-dns-perl
• libnet-perl
• libmailtools-perl
• libipc-shareable-perl
• libclamav-client-perl
• libsocket6-perl
• libio-socket-inet6-perl
• lsb-base

References

• qpsmtpd website

Summary

In this tutorial we learn how to install qpsmtpd package on Kali Linux using different package management tools: apt, apt-get and aptitude.