In section Reports → Deliverability you can see the metrics downloaded for your domains from Google postmaster.
Google often takes quite a long time to process requests, so it can take about 30 seconds for data to load.
 
In the Deliverability report, you can customise:
Identification of critical values in columns:
 Marked as spam - a red warning icon appears for values above 0.5%
 
 Domain reputation - yellow icon for «Low» values and red for «Bad» values.
 
 SPF Authentication - yellow icon for values below 100%
 
 DKIM Authentication - yellow icon for values below 100%
 
 Delivery errors - percentages for all types of errors are summarised. Red icon for values above 5%