Install select-xface by entering the following commands in the terminal:
sudo apt update sudo apt install select-xface
Description:
utility for selecting X-Face on emacsen
Select X-Face is a utility for selecting/inserting an X-Face field visually on emacsen mailer (Mew, Gnus, Wanderlust, etc.).
Homepage: http://www.jpl.org/ftp/pub/elisp/
Version: 0.15-9
Section: universe/mail