In this section, we will see how to install and configure Logcheck so that we can use it, as per our requirements:
- The first step is to install the package using the following command:

- During installation, a window will open showing information about selecting the mail server configuration type, as shown in the following screenshot:

Press Ok to continue.
- In the next window, select Internet Site and then select Ok to continue:
- After the installation has completed, we need to make changes in the configuration file /etc/logcheck/logcheck.conf ...