A user has reported that they did not receive an email from one of their normal correspondents. What information do you need to collect from the user to investigate the cause of the issue?-
选项：

A: The email address of the sender and the subject and date/time of the missing message.-
B: The type of device the individual is using, including the OS version, browser, and browser version.-
C: The sender's domain so you can review their SPF and DKIM configuration.-
D: The sender's IP address, mail client, and mail platform.