How To Install dkimpy-milter on Ubuntu 20.04
Introduction
In this tutorial we learn how to install dkimpy-milter
on Ubuntu 20.04.
What is dkimpy-milter
dkimpy-milter is:
The dkimpy-milter is a Sendmail/Postfix Milter application that signs and verifies DKIM (DomainKeys Identified Mail). It supports both traditional RSA (RFC 6376) signatures and the new ed25519 based signatures defined in RFC 8463.
DKIM provides a way for senders to confirm their identity when sending email by adding a cryptographic signature to the headers of the message.
It uses the OpenDKIM configuration option naming and definitions, for the options it implements, to make it easy for OpenDKIM users to experiment with this alternative.
There are three methods to install dkimpy-milter
on Ubuntu 20.04. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install dkimpy-milter Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install dkimpy-milter
using apt-get
by running the following command:
sudo apt-get -y install dkimpy-milter
Install dkimpy-milter Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install dkimpy-milter
using apt
by running the following command:
sudo apt -y install dkimpy-milter
Install dkimpy-milter 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 dkimpy-milter
using aptitude
by running the following command:
sudo aptitude -y install dkimpy-milter
How To Uninstall dkimpy-milter on Ubuntu 20.04
To uninstall only the dkimpy-milter
package we can use the following command:
sudo apt-get remove dkimpy-milter
Uninstall dkimpy-milter And Its Dependencies
To uninstall dkimpy-milter
and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove dkimpy-milter
Remove dkimpy-milter Configurations and Data
To remove dkimpy-milter
configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge dkimpy-milter
Remove dkimpy-milter configuration, data, and all of its dependencies
We can use the following command to remove dkimpy-milter
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge dkimpy-milter
References
Summary
In this tutorial we learn how to install dkimpy-milter
package on Ubuntu 20.04 using different package management tools: apt
, apt-get
and aptitude
.