Which of the following statements are correct about mail servers?
A. A mail server needs to be running nearly all the time since, if a mail server Cashes for more than about 4 days users emails can be lost. B. All users run mail servers locally on their PC therefore if the ISP mail server crashes for an extended period the user can still gain access to his mail when the Server is restored C. When a user receives an email it goes straight to his inbox, unless his machine is off then it is stored on the mail server until the users PC goes online Then messages are picked up from the mail server D. The mail server, mail application and mail client all refer to the same computer Dedicated to listening out for emails