dknewkey command not found

Introduction

When you run more command in linux terminal / console, you get the following error message

dknewkey: command not found

or when using sudo you get the following error message

sudo: dknewkey: command not found

Solutions to dknewkey: command not found

How To Fix dknewkey: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu dknewkey is provided by python3-dkim package.

python3-dkim is:

Python 3 module that implements DKIM (DomainKeys Identified Mail) email signing and verification as well as ARC (Authenticated Received Chain) signing and verification. Supports both RSA and Ed25519 signing and verification. It also provides helper scripts for key generation and command line signing and verification.

This is the Python 3 version of the package.

To fix this problem, we can install more using the command below.

sudo apt-get -y install python3-dkim

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install python3-dkim.

sudo apt -y install python3-dkim

Or if you have aptitude installed you can use the following command.

sudo aptitude install python3-dkim

Summary

In this tutorial we learn how to fix dknewkey command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.