DavidR
2
Have you checked the Internet Mail provider, details, Last scanned: and Scanned total: fields they should have values in them and be constantly updated as you collect or send email ?
Also does the avast ( a ) icon rotate when you are sending or receiving email ?
Is your Internet Mail, Customize, Advanced, 'Show tray icon when scanning mail ticked ?
Change the Update (Connections) to My computer is always connected to the internet.