Nagios Support Forum

No problem, we just bought the paid support last week.

Both of the alerts are "host" alert, and they are about 2 minutes apart. When the host was down, 1st alert received, 2nd alert (repeated) came around 2 minutes later, after the notification interval, 2 alerts again, until the host is back online. So in our opinion it is something duplicate...

Yes, we have created them according to the document.

Using sendmail locally. Basically we only see "notify-host-by-email" in template "generic-contact". But the user getting repeated email is using template "xi_contact_generic" and he actually receiving email one by "notifiy-host-by-email" and one by "xi-ho...

I have a number of hosts, services and contacts from Nagios Core, recently I migrated them to Nagios Core 5. Originally it was using "notify-host(service)-by-email" to send email alert, after migration we created users linking with the contacts, and use "xi_host(service)_event_handler...