Occurs when a command is send to the server.

Occurs when a notification is received from the server. By sending notifications, the server informs connected clients about specific actions performed by either this client, by another connected session, or the server itself.

Occurs when a response is received from the server.

Occurs when the state of the Imap object is changed.

Occurs when data is send or received.

Occurs when a server certificate needs to be validated.