Which two statements about email messages sent from User A to User B are correct?

Refer to the exhibit.

Which two statements about email messages sent from User A to User B are correct? (Choose two.)

A. User A’s MUA will perform a DNS MX record lookup to send the email message.

B. mx.example1.org will forward the email message to the MX record that has the lowest preference.

C. The DNS server will act as an intermediary MTA.

D. User B will retrieve the email message using either POP3 or IMAP.

Answer: A,C