You have an Exchange Online tenant that contains several hundred mailboxes.

You have an Exchange Online tenant that contains several hundred mailboxes.

Several users report that email messages from an SMTP domain named @fabrikam.com often fail to be delivered to their mailbox.

You need to increase the likelihood that the email messages from the @fabrikam.com are delivered successfully to the users in the tenant.
A . From the Security & Compliance admin center, modify the anti-spam policy settings.
B . From the Security & Compliance admin center, modify the DKIM settings.
C . From your public DNS zones, create a Sender Policy Framework (SPF) TXT record.
D . From the Security & Compliance admin center, create a new ATP anti-phishing policy.

View Answer

Answer: A