How To Install postfix-policyd-spf-perl on Debian 9

In this tutorial we learn how to install postfix-policyd-spf-perl on Debian 9. postfix-policyd-spf-perl is Simple Postfix policy server for RFC 4408/7208 SPF checking

Introduction

In this tutorial we learn how to install postfix-policyd-spf-perl on Debian 9.

What is postfix-policyd-spf-perl

postfix-policyd-spf-perl is:

postfix-policyd-spf-perl is a basic Postfix SMTP policy server for SPF checking. It is implemented in pure Perl and uses the Mail::SPF module. The SPF project web site is http://www.openspf.net/.

There are three methods to install postfix-policyd-spf-perl on Debian 9. 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-policyd-spf-perl 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-policyd-spf-perl using apt-get by running the following command:

sudo apt-get -y install postfix-policyd-spf-perl

Install postfix-policyd-spf-perl Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install postfix-policyd-spf-perl

Install postfix-policyd-spf-perl 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-policyd-spf-perl using aptitude by running the following command:

sudo aptitude -y install postfix-policyd-spf-perl

How To Uninstall postfix-policyd-spf-perl on Debian 9

To uninstall only the postfix-policyd-spf-perl package we can use the following command:

sudo apt-get remove postfix-policyd-spf-perl

Uninstall postfix-policyd-spf-perl And Its Dependencies

To uninstall postfix-policyd-spf-perl and its dependencies that are no longer needed by Debian 9, we can use the command below:

sudo apt-get -y autoremove postfix-policyd-spf-perl

Remove postfix-policyd-spf-perl Configurations and Data

To remove postfix-policyd-spf-perl configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge postfix-policyd-spf-perl

Remove postfix-policyd-spf-perl configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge postfix-policyd-spf-perl

Dependencies

postfix-policyd-spf-perl have the following dependencies:

References

Summary

In this tutorial we learn how to install postfix-policyd-spf-perl package on Debian 9 using different package management tools: apt, apt-get and aptitude.