To see how your message will look like after it's received by a recipient, click the “To” button and select one or more autoresponders you want to send the broadcast to. Then click the “Preview” toolbar button 
. Type in an email address to send the test message to (the email address must be in the prospects database) and click “OK”.
Note: If you are using the Standard Edition, either turn on the "Send immediately" option or click the "Send/Receive" toolbar button to start sending.