[CentOS] Cron marks mailto value as UNSAFE

James B. Byrne byrnejb at harte-lyne.ca
Mon Mar 12 15:03:45 EDT 2012


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 to support at harte-lyne.ca
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[6639]: (cron theheart) UNSAFE
(support at harte-lyne.ca )

The CentOS-5 host uses Sendmail as the MTA, the CentOS-6
uses Postfix. We can send mail to support at harte-lyne.ca
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?

-- 
***          E-Mail is NOT a SECURE channel          ***
James B. Byrne                mailto:ByrneJB at Harte-Lyne.ca
Harte & Lyne Limited          http://www.harte-lyne.ca
9 Brockley Drive              vox: +1 905 561 1241
Hamilton, Ontario             fax: +1 905 561 0757
Canada  L8E 3C3



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