If you suspect an email is spam or phishing you can click the orange Phish Hook button 
at the top of the message list to see if it is a phishing test email from KnowBe4. Make sure the email you suspect is selected in the message list.
If it is a test you will see this message…
Congratulations! The email you reported was a simulated phishing attack initiated by your company. Good job!
If it is not a test you will see this message…
Thank you for reporting this email to your security team. Because of people like you, our company is more secure!