imapd-ssl command not found

Introduction

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

imapd-ssl: command not found

or when using sudo you get the following error message

sudo: imapd-ssl: command not found

Solutions to imapd-ssl: command not found

How To Fix imapd-ssl: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu imapd-ssl is provided by courier-imap package.

courier-imap is:

The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open commodity protocols, such as ESMTP, IMAP, POP3, LDAP, TLS, and HTTP. Courier provides ESMTP, IMAP, POP3, webmail, and mailing list services within a single, consistent, framework.

This package provides an IMAP server that accesses email stored in Maildirs format mailboxes. This server has an extremely small footprint and provides shared and virtual shared folders.

IMAP over TLS is handled by the regular IMAP daemon in conjunction with the TLS wrapper.

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

sudo apt-get -y install courier-imap

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

You can also use apt command to install courier-imap.

sudo apt -y install courier-imap

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

sudo aptitude install courier-imap

Summary

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