Email Notification using Postfix

[Marc Powell]

> -----Original Message-----
> From: nagios-users-admin at lists.sourceforge.net [mailto:nagios-users-
> admin at lists.sourceforge.net] On Behalf Of Kindy Sylla
> Sent: Tuesday, June 21, 2005 11:59 AM
> To: nagios-users at lists.sourceforge.net
> Subject: [Nagios-users] Email Notification using Postfix
> 
> Hello,
> I am having problems with email notifications and
> wondering if someone can help.
> I have the nagios running fine but no emails are sent
> out.
> This is my notify-by-mail command :
> # 'notify-by-email' command definition
> define command{
>         command_name    notify-by-email
>         command_line    /usr/bin/printf "%b" "*****
> Nagios   *****\n\nNotification Type:
> $NOTIFICATIONTYPE$\n\nService: $SERVICEDESC$\nHost:
> $HOSTALIAS$\nAddress: $HOSTADDRESS$\nState:
> $SERVICESTATE$\n\nDate/Time: $DATETIME$\n\nAdditional
> Info:\n\n$OUTPUT$" | /usr/sbin/sendmail   -s "**
> $NOTIFICATIONTYPE$ alert - $HOSTALIAS$/$SERVICEDESC$
> is $SERVICESTATE$ **" $CONTACTEMAIL$
>         }
> The log file doesn't contain any errors. I have the
> following line :
> [1119372445] SERVICE NOTIFICATION:
> Kindy;monediabackup;HTTP
> Service;CRITICAL;notify-by-email;Connection refused
> 
>  I  am using postfix as MTA. Do I need to change
> something in postfix configurations files in order to
> get it working with nagios? Is there something else to
> do? Any idea can help!

Did you edit this command by hand to change it from its installation
default? Can you run the following consolidated representation of your
command above? --

/usr/bin/printf "%b" "testing" | /usr/sbin/sendmail -s "Test Message"
some at email.address

I'll bet you can't ;) For starters, sendmail doesn't understand a '-s'
command line switch, among other problems.

You should switch it back to using the mail[x] binary to pass the
message to postfix properly by changing /usr/sbin/sendmail back to
/path/to/mail (use 'which mail' to determine the proper path). If you
don't have mail or mailx installed, you'll either need to install one of
them or see http://www.nagios.org/faqs/viewfaq.php?faq_id=150

--
Marc


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