mutt-wizard/share/mailcap

text/plain; $EDITOR %s ;
text/html; openfile %s ; nametemplate=%s.html
text/html; lynx -assume_charset=%{charset} -display_charset=utf-8 -dump %s; nametemplate=%s.html; copiousoutput;
image/*; openfile %s ;
video/*; setsid mpv --quiet %s &; copiousoutput
audio/*; mpv %s ;
application/pdf; openfile %s ;
application/pgp-encrypted; gpg -d '%s'; copiousoutput;
application/pgp-keys; gpg --import '%s'; copiousoutput;