console mail local start postfix

/etc/pam.d/system-login
session optional pam_mail.so dir=/var/spool/mail standard quiet
убрать quiet из строки

$ echo 'export MAIL="/var/mail/$USER"' >> .bashrc
$ echo 'export MAILCHECK=60' >> .bashrc

You have mail

mail

$ crontab -l
MAILTO=atommixz
PATH=/usr/bin
/1 * checkupdates-cron