Page 3 of 4
Re: How can enable notify via send email
Posted: Fri Jun 03, 2016 2:41 am
by baber
rkennedy wrote:Do you have DNS setup on your machine? This is why your notifications aren't sending properly. You could also add a manual entry to your /etc/hosts file for dsa.co.ir.
It resolves fine on my end -
Code: Select all
[root@localhost var]# nslookup dsa.co.ir
Server: 192.168.5.2
Address: 192.168.5.2#53
Non-authoritative answer:
Name: dsa.co.ir
Address: 185.10.72.56
thanks
but i have set my mail server ip and name in /etc/hosts
but when type nslookup show
Server: 172.x.x.x
Address: 172.x.x.x
Non-authoritative answer:
*** Can't find dsa.co.ir: No answer
my hosts file :
Code: Select all
127.0.0.1 localhost
172.x.x.x dsa.co.ir
172.x.x.x mymailserver.com
172.x.x.x mymailserver2.com
but in mail log file see changes attached log file see that please
Re: How can enable notify via send email
Posted: Fri Jun 03, 2016 3:50 am
by baber
another attached all of my files please see them and in previous post attached mail log file
i am realy confused what is my problem
Re: How can enable notify via send email
Posted: Fri Jun 03, 2016 8:05 am
by baber
baber wrote:another attached all of my files please see them and in previous post attached mail log file
i am realy confused what is my problem
now this is end of my maillog file
Code: Select all
Jun 3 17:29:31 lin postfix/local[5873]: 432B1713A8: to=<[email protected]>, relay=local, delay=0.08, delays=0.05/0/0/0.02, dsn=5.2.2, status=bounced (cannot update mailbox /var/mail/nagios for user nagios. error writing message: File too large)
Jun 3 17:29:31 lin postfix/qmgr[2032]: 432B1713A8: removed
Jun 3 17:29:31 lin postfix/local[5854]: 434DE713AD: to=<[email protected]>, relay=local, delay=0.08, delays=0.05/0.02/0/0, dsn=5.2.2, status=bounced (cannot update mailbox /var/mail/nagios for user nagios. error writing message: File too large)
Jun 3 17:29:31 lin postfix/qmgr[2032]: 434DE713AD: removed
now i have change Modify Postfix Mailbox Size Limit :
edit /etc/postfix/main.cf and in the end of line add
# Modify Mailbox Size Limits (Default = 50MB, 0 = unlimited, 512000000 = roughly 500MB)
mailbox_size_limit = 0
then /etc/init.d/postfix reload
and my logfile is now :
Code: Select all
Jun 3 17:40:19 lin postfix/qmgr[6287]: 614E5713A0: removed
Jun 3 17:42:16 lin postfix/pickup[6293]: 9708F71365: uid=501 from=<nagios>
Jun 3 17:42:16 lin postfix/cleanup[6508]: 9708F71365: message-id=<[email protected]>
Jun 3 17:42:16 lin postfix/qmgr[6287]: 9708F71365: from=<[email protected]>, size=723, nrcpt=1 (queue active)
Jun 3 17:42:16 lin postfix/smtp[6510]: 9708F71365: to=<[email protected]>, relay=none, delay=0.33, delays=0.25/0.07/0.01/0, dsn=5.4.4, status=bounced (Host or domain name not found. Name service error for name=dsa.co.ir type=AAAA: Host found but no data record of requested type)
Jun 3 17:42:16 lin postfix/cleanup[6508]: C6750713A0: message-id=<[email protected]>
Jun 3 17:42:16 lin postfix/bounce[6511]: 9708F71365: sender non-delivery notification: C6750713A0
Jun 3 17:42:16 lin postfix/qmgr[6287]: C6750713A0: from=<>, size=2672, nrcpt=1 (queue active)
Jun 3 17:42:16 lin postfix/qmgr[6287]: 9708F71365: removed
Jun 3 17:42:17 lin postfix/local[6513]: C6750713A0: to=<[email protected]>, relay=local, delay=0.21, delays=0.03/0.17/0/0.01, dsn=2.0.0, status=sent (delivered to mailbox)
but not send any email to me
Re: How can enable notify via send email
Posted: Fri Jun 03, 2016 2:12 pm
by rkennedy
From the Nagios machine, can you run ping dsa.co.ir?
At this point, I don't think the issue is with Nagios, or your configuration, but rather your mail settings / DNS.
Re: How can enable notify via send email
Posted: Fri Jun 03, 2016 2:13 pm
by tgriep
Can you post your /etc/hosts and your /etc/resolv.conf file so we can review them?
It still looks like there is a DNS issue on your server.
Re: How can enable notify via send email
Posted: Fri Jun 03, 2016 3:11 pm
by baber
rkennedy wrote:From the Nagios machine, can you run ping dsa.co.ir?
At this point, I don't think the issue is with Nagios, or your configuration, but rather your mail settings / DNS.
yes i can ping that
dd yu previous posts ?
did you my conig files? are ok ?
Re: How can enable notify via send email
Posted: Fri Jun 03, 2016 3:16 pm
by baber
tgriep wrote:Can you post your /etc/hosts and your /etc/resolv.conf file so we can review them?
It still looks like there is a DNS issue on your server.
i have attached resolve.conf file
host file:
Code: Select all
127.0.0.1 localhost
172.20.42.64 dsa.co.ir
172.20.42.64 middleeastbank.ir
172.20.42.60 mebank.com
Re: How can enable notify via send email
Posted: Mon Jun 06, 2016 4:48 pm
by tmcdonald
This ServerFault listing might be helpful:
http://serverfault.com/questions/577134 ... und/577300
Basically it boils down to your Nagios system trying to use IPv6 to communicate with your mail server. Can you try disabling IPv6 and see if this helps?
Re: How can enable notify via send email
Posted: Tue Jan 24, 2017 5:29 am
by baber
dear friend
HI
i have checked all of these on the other server:
1- add mail server with ip in host file
10.10.10.0 mail.com
now when type nslookup mail.com the result is :
;; connection timed out; no servers could be reached
2- output of ps sendmail :
Code: Select all
grep sendmail
smmsp 953 1 0 Jan21 ? 00:00:00 sendmail: Queue runner@01:00:00 for /var/spool/clientmqueue
root 26819 12703 0 11:59 pts/1 00:00:00 grep sendmail
this is my contact file
Code: Select all
define contact{
contact_name nagiosadmin ; Short name of user
use generic-contact ; Inherit default values from generic-contact template (defined above)
alias Nagios Admin ; Full name of user
email [email protected] ; <<***** CHANGE THIS TO YOUR EMAIL ADDRESS ******
}
###############################################################################
###############################################################################
#
# CONTACT GROUPS
#
###############################################################################
###############################################################################
# We only have one contact in this simple configuration file, so there is
# no need to create more than one contact group.
define contactgroup{
contactgroup_name admins
alias Nagios Administrators
members nagiosadmin
}
this is server.cfg file
Code: Select all
define host{
use windows-server ; Inherit default values from a template
host_name DNS ; The name we're giving to this host
alias server DNS ; A longer name associated with the host
address 10.10.10.2 ; IP address of the host
}
define service{
use local-service
host_name DNS
service_description Memory Usage
check_command check_nt!MEMUSE!-w 90 -c 95
}
define service{
use local-service
host_name DNS
service_description Cpu Usage
check_command check_nrpe!alias_cpu
}
and these are in template.cfg file
Code: Select all
define host{
name windows-server ; The name of this host template
use generic-host ; Inherit default values from the generic-host template
check_period 24x7 ; By default, Windows servers are monitored round the clock
check_interval 5 ; Actively check the server every 5 minutes
retry_interval 1 ; Schedule host check retries at 1 minute intervals
max_check_attempts 10 ; Check each server 10 times (max)
check_command check-host-alive ; Default command to check if servers are "alive"
notification_period 24x7 ; Send notification out at any time - day or night
notification_interval 30 ; Resend notifications every 30 minutes
notification_options d,r ; Only send notifications for specific host states
contact_groups admins ; Notifications get sent to the admins by default
hostgroups Windows-DC ; Host groups that Windows servers should be a member of
register 0 ; DONT REGISTER THIS - ITS JUST A TEMPLATE
}
define service{
name local-service ; The name of this service template
use generic-service ; Inherit default values from the generic-service definition
max_check_attempts 3 ; Re-check the service up to 4 times in order to determine its final (hard) state
normal_check_interval 5 ; Check the service every 5 minutes under normal conditions
retry_check_interval 1 ; Re-check the service every minute until a hard state can be determined
register 0 ; DONT REGISTER THIS DEFINITION - ITS NOT A REAL SERVICE, JUST A TEMPLATE!
contact_groups admins
}
these are in command.cfg file
Code: Select all
# 'notify-host-by-email' command definition
define command{
command_name notify-host-by-email
command_line /usr/bin/printf "%b" "***** Nagios *****\n\nNotification Type: $NOTIFICATIONTYPE$\nHost: $HOSTNAME$\nState: $HOSTSTATE$\nAddress: $HOSTADDRESS$\nInfo: $HOSTOUTPUT$\n\nDate/Time: $LONGDATETIME$\n" | /bin/mail -s "** $NOTIFICATIONTYPE$ Host Alert: $HOSTNAME$ is $HOSTSTATE$ **" $CONTACTEMAIL$
}
# 'notify-service-by-email' command definition
define command{
command_name notify-service-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: $LONGDATETIME$\n\nAdditional Info:\n\n$SERVICEOUTPUT$\n" | /bin/mail -s "** $NOTIFICATIONTYPE$ Service Alert: $HOSTALIAS$/$SERVICEDESC$ is $SERVICESTATE$ **" $CONTACTEMAIL$
}
and attached mail.log file
finally that server (DNS) is down and services are down but nagios don't send any email to me i am confused what is my problem ?
Re: How can enable notify via send email
Posted: Tue Jan 24, 2017 12:05 pm
by rkennedy
Based on the error message -
Code: Select all
Jan 24 13:51:11 Nagios postfix/error[17639]: 92B9B61615: to=<[email protected]>, relay=none, delay=256450, delays=256450/0.05/0/0.02, dsn=4.4.3, status=deferred (delivery temporarily suspended: Host or domain name not found. Name service error for name=karafarinbank.ir type=MX: Host not found, try again)
It appears you need to setup DNS correctly which doesn't seem to be in place. The records do exist, but you're not resolving them.
http://mxtoolbox.com/SuperTool.aspx?act ... n=toolpage