SquirrelMail is a popular open-source webmail application written in PHP. In this tutorial, we will guide you through a step-by-step process to install SquirrelMail on Kali Linux.
Before starting the installation, make sure your system is up-to-date. To update the system, open the terminal and run the following command:
sudo apt-get update && sudo apt-get upgrade
To run SquirrelMail, you need to have a LAMP (Linux, Apache, MySQL, and PHP) stack installed on your system. If you don't have it already, install it by running the following command:
sudo apt-get install apache2 mysql-server mysql-client php php-mysql libapache2-mod-php
During the installation, you will be prompted to set a password for the MySQL root user. Make sure to set a strong password and remember it.
To download SquirrelMail, go to the official website at https://squirrelmail.org, and click on the "Download" button. From the next page, select the latest stable version, and download the package.
Alternatively, you can use the following command to download the package in the terminal:
wget https://sourceforge.net/projects/squirrelmail/files/stable/1.4.23/squirrelmail-webmail-1.4.23.tar.gz/download -O squirrelmail.tar.gz
Once the download is complete, extract the package by running the following command:
tar -xzf squirrelmail.tar.gz
This will create a directory named squirrelmail-webmail-1.4.23 in your current directory.
To configure SquirrelMail, copy the configuration file config_default.php to config.php using the following command:
cp config/config_default.php config/config.php
Next, edit the config.php file and set the correct settings for your system. You will need to set the following values:
$imap_server_type: Set this to imap$imap_server_address: Set this to the address of your IMAP server. For example, localhost if the IMAP server is running on the same machine.$imap_port: Set this to the port number of your IMAP server. The default port for IMAP is 143.$smtp_server: Set this to the address of your SMTP server. For example, localhost if the SMTP server is running on the same machine.$smtp_port: Set this to the port number of your SMTP server. The default port for SMTP is 25.Save the file after making the changes.
To make SquirrelMail accessible through the webserver, move the squirrelmail-webmail-1.4.23 directory to the document root of Apache, which is /var/www/html/ by default. You can use the following command to move the directory:
sudo mv squirrelmail-webmail-1.4.23 /var/www/html/squirrelmail
To allow SquirrelMail to write data to certain directories, you need to set the correct permissions. Change the ownership of the data directory to the Apache user (www-data) using the following command:
sudo chown -R www-data:www-data /var/www/html/squirrelmail/data
Next, set the permissions of the data directory to 777 using the following command:
sudo chmod -R 777 /var/www/html/squirrelmail/data
To access SquirrelMail, open a web browser and go to the URL http://localhost/squirrelmail/. You should see the login page of SquirrelMail.
Use your IMAP username and password to log in, and you should be able to access your email.
That's it! You have successfully installed SquirrelMail on Kali Linux.
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