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Full Discussion: cron not sending external mails
Top Forums Shell Programming and Scripting cron not sending external mails Post 302579558 by robo on Tuesday 6th of December 2011 04:05:29 AM
Old 12-06-2011
cron not sending external mails
This script is to send a email if the IP adress is active
when i run this script it is working and sending emails to external users in different domains, but when this script is scheduled in a cron it is unable to send the emails
Code:
 
#/bin/sh
ifconfig -a | grep 192.168.0.1
if [ $? == '0' ];
then mail -s "subject" mail.domain.com < /home/user/mailmessage.txt
fi

So i used a while loop avoding cron, Below is the code, This is able to send the emails,

Code:
#/bin/sh
while :
do
ifconfig -a | grep 3.229.224.157
if [ $? == '0' ]
then 
   mail -s "CRITICAL!! PAN Credit Application Load Balancing Has Failed Over to MYUKSLCAP2LB002" -c \
  emailaddress@fqdn.com < \
   /home/smg_prod/mailmessage.txt
fi
sleep 60
done

But for the same code why it is not able to send emails when set via cron, checked cronlogs and found no errors, cron is executed as schedules, also checked messages no errors found
Last edited by robo; 04-12-2012 at 10:46 AM..
 

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LEARN ABOUT OSF1

uudemon

uudemon(4)						     Kernel Interfaces Manual							uudemon(4)

NAME

       uudemon.admin,  uudemon.cleanu,	uudemon.hour,  uudemon.poll  -	Administrative shell scripts for polling remote systems, cleaning up spool
       directories, reporting status to the system administrator, and routine invocations of the uuxqt and uusched daemons

SYNOPSIS

       These shell scripts reside in the following directory:
	  /usr/lib/uucp

DESCRIPTION

       All the scripts can be run from the command line or can be run automatically by the cron daemon. To automatically run the  scripts,  remove
       the comment character (#) from the beginning of the relevant line in the /var/spool/cron/crontabs/uucp file.

       This  script  reports  status  to  the system administrator. It issues the uustat command to find out the status of uucp jobs. It mails the
       results to the uucp login ID. The script may be modified to send mail to any login ID such as the uucp administrative login ID  (uucpa)	or
       root.  This script cleans up the /var/spool/uucp and /var/spool/uucppublic directories by running the uucleanup command. The uucleanup com-
       mand is run with the following parameters: -C7, -D7, X2, -o2, -W1.  This script runs the uusched and uuxqt daemons in the background.  This
       script  polls  the  systems  listed  in	the  /usr/lib/uucp/Poll file.  The uudemon.poll script should be scheduled before the uudemon.hour
       script. This allows uudemon.poll to create any command files before cron runs the uudemon.hour script.

FILES

       Contains the uudemon.admin, uudemon.cleanu, uudemon.hour and uudemon.poll files.  Contains the uucp file.

RELATED INFORMATION

       Commands: cron(8), uucleanup(8), uusched(8), uuxqt(1)

       Files: /usr/lib/uucp delim off

																	uudemon(4)
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