How To Install mtpolicyd on Debian 9
Introduction
In this tutorial we learn how to install mtpolicyd on Debian 9.
What is mtpolicyd
mtpolicyd is:
mtpolicyd is a modular policy daemon for postfix written in perl. It has support for virtual hosts, session caching, per-user configuration and is easily extensible thru plugins.
It already ships with a lot of plugins:
RBL - query DNS IP black/whitelists
DBL - query DNS domain black/whitelists
SqlList - use SQL query as black/whitelist
CtIpRep - use Commtouch IP reputation
GeoIP - use location of sending IP
Fail2ban - block spammers with fail2ban/iptables
Greylist - greylisting
SPF - Sender Policy Framework
Accounting - collect SMTP-level accounting information
Quota - apply quota limits based on Accounting data
and more... (see Documentation)
There are three methods to install mtpolicyd 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 mtpolicyd Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install mtpolicyd using apt-get by running the following command:
sudo apt-get -y install mtpolicyd
Install mtpolicyd Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install mtpolicyd using apt by running the following command:
sudo apt -y install mtpolicyd
Install mtpolicyd 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 mtpolicyd using aptitude by running the following command:
sudo aptitude -y install mtpolicyd
How To Uninstall mtpolicyd on Debian 9
To uninstall only the mtpolicyd package we can use the following command:
sudo apt-get remove mtpolicyd
Uninstall mtpolicyd And Its Dependencies
To uninstall mtpolicyd and its dependencies that are no longer needed by Debian 9, we can use the command below:
sudo apt-get -y autoremove mtpolicyd
Remove mtpolicyd Configurations and Data
To remove mtpolicyd configuration and data from Debian 9 we can use the following command:
sudo apt-get -y purge mtpolicyd
Remove mtpolicyd configuration, data, and all of its dependencies
We can use the following command to remove mtpolicyd configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge mtpolicyd
Dependencies
mtpolicyd have the following dependencies:
- perl
- adduser
- libcache-memcached-perl
- libdbi-perl
- libmoose-perl
- libmail-rbl-perl
- libconfig-general-perl
- libnamespace-autoclean-perl
- libmoosex-getopt-perl
- libmoosex-role-parameterized-perl
- libmoosex-singleton-perl
- libtie-ixhash-perl
- lsb-base
- libnet-server-perl
- libjson-perl
- libdbd-sqlite3-perl
- libmail-spf-perl
- libgeo-ip-perl
References
Summary
In this tutorial we learn how to install mtpolicyd package on Debian 9 using different package management tools: apt, apt-get and aptitude.