This is really strange, the Nagios server was restarted this weekend and now
Nagios isn’t sending any notifications out at all. The Nagios.log shows
numerous events, both Warnings and Critical but no notifications for any of
them. If it were simply a case of my email not being sent, I can troubleshoot
that. Given that Nagios seems simply to have decided not to send notifications,
I’m really stumped about where to start looking.
I’ve taken a look in my templates and found that my hosts, services, and
contacts all have notifications enabled and are set for 24x7. I don’t see any
reason for Nagios not to send notifications at all, but it has definitely
decided not to do so for some reason.
From: Kevin Davison [mailto:kdavi...@innosphere.ca]
Sent: Friday, July 24, 2009 6:11 AM
To: Nagios User List
Subject: Re: [Nagios-users] Antwort: Notification oddity
I thought of that and had a quick look around. I logged into the the MTA on
Nagios via Telnet and was able to successfully send mail so I know that mail is
capable of being sent. Nagios is also having no trouble sending some critical
alerts. The weird thing for me is that if the messages were being stopped at
the MTA level or by the relaying server then I would think that Nagios’
Notification log would still show that it attempted to send them. At this point
there is no indication that Nagios even tried to send out a notification.
From: sascha.runsc...@gfkl.com [mailto:sascha.runsc...@gfkl.com]
Sent: Friday, July 24, 2009 3:16 AM
To: Nagios User List
Subject: [Nagios-users] Antwort: Notification oddity
> I’ve checked my Contacts, as well as my Host and Service
> notifications entries and all are configured W,U,C,R for 24x7. I’ve
> even done some work on Nagios today and restarted to load in some
> new stuff, but I’m still not seeing anything other than Critical
> notifications.
>
> Clearly I’m missing something. I would appreciate any advice.
Did you check the MTAs - local and the relay?
Maybe the relay you are using started ditching your mails
because of some strange anti-spam or maybe your host got
throttled by the mailserver because it was sending too much
mails. Just an idea, but I've seen strange setups of "local
relays" being Exchange or Domino servers with really stupid
policies ;)
S
GFKL Financial Services AG
Vorstand: Dr. Peter Jänsch (Vors.), Jürgen Baltes, Dr. Tom Haverkamp
Vorsitzender des Aufsichtsrats: Dr. Georg F. Thoma
Sitz: Limbecker Platz 1, 45127 Essen, Amtsgericht Essen, HRB 13522
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