If you are unable to send invoice & bill via email, you can try these troubleshooting steps:
Step 1: First check the Email Configuration from the Administration menu then click on Configuration.
Step 2: Ensure that all the details is correctly mentioned such as SMTP server, Username, Password, etc.
Step 3: Click on Test Account Settings and check if the test mail sending or not.
Step 4: Check the antivirus setting and make sure it is not blocking the BUSY application to access the internet connection.
Step 5: Make sure to run BUSY as an administrator mode to avoid any permission issue.
If need any assistance you can also contact us on our 24X7 helpline number: 8282828282 or 011 40964096. You can also email us your query at support@busy.in.