gsmith
(GSmith)
2
Hello,
By chance did you check the Date/Time on Graylog server?
Under System/Overview does your Time configuration all look the same?
Example:
Do you have NTP running on your GL node?
What type of Notification did you configure?
Examples:

Perhaps some more details about your environment, To help us, help you please take a look here.
There should have been a Text box Template prior to posting here that would guide you for the information needed.
Hope that helps