BisManOnline gives you easy access to your messages. You can keep on top of inquiries for your ad or responses about someone else's ad you asked about. Checking your messages is as simple as the next 3 steps:
Log into your account
Click the "Member Center" button.
Click the "Messages" tab to be directed to all your messages.
Alternatively, you can check your messages quickly by using the shortcut in the menu bar up top.