popa3d command not found

In this troubleshooting guide we learn how to fix popa3d command not found error message

Introduction

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

popa3d: command not found

or when using sudo you get the following error message

sudo: popa3d: command not found

Solutions to popa3d: command not found

How To Fix popa3d: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu popa3d is provided by popa3d package.

popa3d is:

popa3d is fast, small and secure pop3 daemon. It’s written from scratch by Solar Designer for Owl (Openwall GNU/*/Linux).

Popa3d can work both in standalone or inetd mode.

For more information see DESIGN file.

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

sudo apt-get -y install popa3d

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

You can also use apt command to install popa3d.

sudo apt -y install popa3d

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

sudo aptitude install popa3d

Summary

In this tutorial we learn how to fix popa3d command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.