maildir-filter command not found

Introduction

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

maildir-filter: command not found

or when using sudo you get the following error message

sudo: maildir-filter: command not found

Solutions to maildir-filter: command not found

How To Fix maildir-filter: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu maildir-filter is provided by maildir-filter package.

maildir-filter is:

This program was designed to filter messages based on regular expressions with perl syntax and perform actions on them (deliver on a Maildir folder, send it to oblivion or bounce it).

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

sudo apt-get -y install maildir-filter

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

You can also use apt command to install maildir-filter.

sudo apt -y install maildir-filter

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

sudo aptitude install maildir-filter

Summary

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