By default, you are notified via e-mail of the following activities:
A user follows you or requests to follow you
A group requests you to be a follower of the group
A user requests to join a group for which you are an administrator
A user sends you a direct message, or you receive a reply to a direct message
For more information on direct messages, see Section 2.1.2, Sending a Direct Message to Another Vibe User.
A user posts a message to a group that you follow