Several Customers Have Reported Receiving Fake Collection Notices from Your

Several customers have reported receiving fake collection notices from your company. The emails were received from [e-mail], which is the valid address used by your accounting department for such matters, but the email audit log does not show the emails in question. You need to stop these emails from being sent. What two actions should you take? (Choose two.)

A) Change the password for suspected compromised account [e-mail].
B) Configure a Sender Policy Framework (SPF) record for your domain.
C) Configure Domain Keys Identified Mail (DKIM) to authenticate email.
D) Disable mail delegation for the [e-mail] account.
E) Disable "Allow users to automatically forward incoming email to another address."