The interval polling time can be configured from 1 minute up to 3 hours.
Server - The server name. For example, gmail.com.
Protocol - The server protocol. Currently, POP3 and IMAP protocols are supported.
Username - This is the username on the source server.
Password - This is the password on the source server.
Local User - This is the username of a mail account configured to receive mail on the server you are configuring.