This article provides steps to resolve the issue when emails do not reflect when Patch Manager Server receives new updates. and how to add your smtp configuration .
Patch Manager version 2.1
1. Click Administration and Reporting.
2. Select General Settings and Email Settings.
3. Fill out the information and click OK.
1. Select Software Publishing.
2. Right-click Synchronization Settings, and then select Subscriptions.
3. Ensure the SolarWinds update notification only catalog is selected.
4. Click OK, and then Synch.
You should now see future emails.