Communities on the Internet have been popular for many years and are facilitated with an interactive forum. Visitors can become a member and start new discussions with other members. Moderators maintain the forum’s content. Because communities make it easy to get and share common problems and answers quickly, many SharePoint customers requested the ability to create such communities in SharePoint.
The owner of a Community site has the option to control the flow of new members. By default there is a button called “Join this community”. You can set an approval…