Here is quick tip that can help you track SQL Job and Alert notifications in Microsoft Outlook. You may already do this, but if you arrange your inbox by conversation, instead of date, emails will grouped by subject. This will enable you to easily “arrow down” through the group and quickly compare messages.
Look at the standard a SQL Server Alert notification as an example:
Subject: SQL Server Alert System: 'Batch Requests/sec
DATE/TIME: 5/2/2011 5:35:01 AM
DESCRIPTION: The SQL Server performance counter 'Batch Requests/sec' (instance 'N/A') of object 'SQLServer:SQL Statistics' is now above the threshold of 1000.00 (the current value is 1077.30).
By sorting through several of these “Batch Requests/sec“ messages you can quickly compare important information such as the date/time and the current Batch Request/sec value.
In my particular case, I received this email exactly every 30 minutes. I may have found this pattern anyway, but by arranging my inbox by conversation, it was quick and easy to spot this pattern. The exact time pattern suggested some type scheduled job or process, which is exactly what this problem turned out to be.