Install axmail by entering the following commands in the terminal:
sudo apt update sudo apt install axmail
Description:
Mail user agent for ax.25 users, accessed via a node frontend
axMail provides a simple low-overhead user interface, similar to /bin/mail, xNOS and other packet BBS systems. It's useful for providing good SMTP mail services for AX.25 users over slow radio channels.
Homepage: http://sourceforge.net/projects/axmail/
Version: 2.6-1
Section: universe/hamradio