Troubleshooting Microsoft Exchange Online — Question 78

A company uses Exchange Online. The company configures an SMTP relay device.
Users report that emails are being delivered to the Junk Email folder.
You need to ensure that emails are delivered to the recipient’s inbox.
What should you do?

Answer options

• A. Configure a DNS A record for the SMTP relay device IP address.
• B. Add the IP address of the SMTP relay device to the SPF record.
• C. Add a mail flow connector to allow emails from the SMTP relay device IP address.
• D. Configure a DNS MX record for the SMTP relay device IP address.

Correct answer: B

Explanation

The correct answer is B because adding the SMTP relay device's IP address to the SPF record helps to authenticate the emails sent from that device, reducing the likelihood of them being marked as junk. Options A and D are irrelevant to email delivery and security practices, while option C, although useful for some scenarios, does not directly address the authentication issue that leads to emails going to the Junk folder.