How To Install sendmail-doc on Debian 9
Introduction
In this tutorial we learn how to install sendmail-doc on Debian 9.
What is sendmail-doc
sendmail-doc is:
Sendmail is an alternative Mail Transport Agent (MTA) for Debian. It is suitable for handling sophisticated mail configurations, although this means that its configuration can also be complex.
Don’t try anything fancy in sendmail without using this for guidance.
Because of the complexity, you may find yourself wanting to peruse the documentation files included herein. The main files are: cf.README.gz – A reference for all things in sendmail.{mc,cf} op.{ps,txt}.gz – The care and feeding of Sendmail. faq.txt.gz – Sendmail FAQ, current as of the package date.
Other files include the references for smrsh and libmilter.
There are three methods to install sendmail-doc on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install sendmail-doc Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install sendmail-doc using apt-get by running the following command:
sudo apt-get -y install sendmail-doc
Install sendmail-doc Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install sendmail-doc using apt by running the following command:
sudo apt -y install sendmail-doc
Install sendmail-doc 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 Debian. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install sendmail-doc using aptitude by running the following command:
sudo aptitude -y install sendmail-doc
How To Uninstall sendmail-doc on Debian 9
To uninstall only the sendmail-doc package we can use the following command:
sudo apt-get remove sendmail-doc
Uninstall sendmail-doc And Its Dependencies
To uninstall sendmail-doc and its dependencies that are no longer needed by Debian 9, we can use the command below:
sudo apt-get -y autoremove sendmail-doc
Remove sendmail-doc Configurations and Data
To remove sendmail-doc configuration and data from Debian 9 we can use the following command:
sudo apt-get -y purge sendmail-doc
Remove sendmail-doc configuration, data, and all of its dependencies
We can use the following command to remove sendmail-doc configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge sendmail-doc
Dependencies
sendmail-doc have the following dependencies:
References
Summary
In this tutorial we learn how to install sendmail-doc package on Debian 9 using different package management tools: apt, apt-get and aptitude.