An organization that uses SPF has been notified emails sent via its authorized third-party partner are getting rejected. A security analyst reviews the DNS entry and sees the following:
The organization’s primary mail server IP is 180.10.6.6 and the secondary mail server IP is 180.10.6.5. The organization’s third-party mail provider is “Robust Mail” with the domain name robustmail.com. Which of the following is the MOST likely reason for the rejected emails?
FT000
1 year, 4 months ago2Fish
2 years, 3 months agodb97
2 years, 4 months agomrodmv
2 years, 6 months ago