Mutt is a command line based Email client. It’s a very useful and powerful tool to send and read mails from command line in Unix based systems. Mutt also supports POP and IMAP protocols for receiving mails. It opens with a coloured interface to send Email which makes it user-friendly to send emails from command line.
To install mutt, run the following command:
sudo apt-get install mutt
To learn mutt, you may refer any of the following tutorials: