How To Install cyrus-imapd on Ubuntu 18.04
Introduction
In this tutorial we learn how to install cyrus-imapd on Ubuntu 18.04.
What is cyrus-imapd
cyrus-imapd is:
Cyrus is an IMAP server designed to handle massive quantities of mail, with a number of features not found in other IMAP implementations, including support for:
- running the daemon without root privileges;
- POP3 and NNTP in addition to plain IMAP;
- CalDAV and CardDAV;
- secure IMAP using SSL;
- server-side filtering with Sieve;
- mail users without login accounts;
- simple mail quotas;
- virtual domains;
- IPv6.
This package contains the IMAP (Internet Mail Access Protocol) portion of the Cyrus IMAPd suite.
For more information, please see the cyrus-common package.
There are three methods to install cyrus-imapd on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install cyrus-imapd Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install cyrus-imapd using apt-get by running the following command:
sudo apt-get -y install cyrus-imapd
Install cyrus-imapd Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install cyrus-imapd using apt by running the following command:
sudo apt -y install cyrus-imapd
Install cyrus-imapd 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 cyrus-imapd using aptitude by running the following command:
sudo aptitude -y install cyrus-imapd
How To Uninstall cyrus-imapd on Ubuntu 18.04
To uninstall only the cyrus-imapd package we can use the following command:
sudo apt-get remove cyrus-imapd
Uninstall cyrus-imapd And Its Dependencies
To uninstall cyrus-imapd and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove cyrus-imapd
Remove cyrus-imapd Configurations and Data
To remove cyrus-imapd configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge cyrus-imapd
Remove cyrus-imapd configuration, data, and all of its dependencies
We can use the following command to remove cyrus-imapd configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge cyrus-imapd
References
Summary
In this tutorial we learn how to install cyrus-imapd package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.