On Mar 12, 2012, at 12:03 PM, James B. Byrne wrote: >/ CentOS-6.2 />/ />/ We moved a cron job from a CentOS-5.7 host to a CentOS-6.2 />/ host. The MAILTO variable is set tosupport at harte-lyne.ca <http://lists.centos.org/mailman/listinfo/centos> />/ in both instances. On the CentOS-6 host instead of />/ receiving the mail with the output we see this in />/ /var/log/cron instead: />/ />/ Mar 12 14:49:01 inet09 CROND: (cron theheart) UNSAFE />/ (support at harte-lyne.ca <http://lists.centos.org/mailman/listinfo/centos> ) />/ />/ The CentOS-5 host uses Sendmail as the MTA, the CentOS-6 />/ uses Postfix. We can send mail tosupport at harte-lyne.ca <http://lists.centos.org/mailman/listinfo/centos> />/ from the command line on both hosts. />/ />/ The permissions of the files in /var/spool/cron are: />/ # ll /var/spool/cron />/ total 12 />/ -rw-------. 1 root root 34 Mar 9 16:41 root />/ -rw-------. 1 root root 4245 Mar 12 14:53 theheart />/ />/ Selinux is set to Permissive (for the time being): />/ />/ # sestatus />/ SELinux status: enabled />/ SELinuxfs mount: /selinux />/ Current mode: permissive />/ Mode from config file: permissive />/ Policy version: 24 />/ Policy from config file: targeted />/ />/ What is causing cron to complain. What is unsafe and how />/ do I rectify this? /---- Not sure if you are just trying to use root or using an alias, but I found several instances in the manual that said I MUST send root mail to an alias when using certian aspects of postifx/procmail, etc... something to do with the delivery. Not sure if this has anything to do with it, but I would try adding root:<some other user> in the /etc/aliases file then run 'newaliases' then try something. hope this helps.