What settings are needed for seamonkey mail to show mail on localhost [linux]
 

Hello,
What settings are needed for seamonkey mail reader to show mail on localhost [linux -root]
--Thanks Glenn

--mailfile has content

# ll /var/spool/mail/root
-rw------- 1 root root 33286 Mar 14 18:29 /var/spool/mail/root

mailx shows:
# mailx
Heirloom mailx version 12.5 7/5/10. Type ? for help.
"/var/spool/mail/root": 29 messages 8 new 29 unread
U 1 root@test.site Fri Mar 14 00:55 24/743 Cron <root@test> /sbin/dhcpcd -d eth0
U 2 root@test.site Fri Mar 14 01:00 30/854 Cron <root@test> /usr/bin/createrepo /home/rpms-customised/
.
.
N 28 root@test.site Fri Mar 14 18:55 23/733 Cron <root@test> /sbin/dhcpcd -d eth0
N 29 root@test.site Fri Mar 14 19:00 29/844 Cron <root@test> /usr/bin/createrepo /home/rpms-customised/
? q
Held 29 messages in /var/spool/mail/root
You have mail in /var/spool/mail/root