"Messaging System" gives you the ability to communicate with buyers directly from this site without having to open up your email client. Message system offers a "private" setting for you to keep your email private to other sellers and buyers on the site.
This site has Two different levels of communication privacy.
PRIVATE - This keeps your email address invisible to other users on the site. All communications sent to you are kept in the list below with this setting. By answering communications privately through this site you keep your email address private.
PUBLIC - This setting makes your email address public. All communications are sent to your email address.