troubleshooting Question

O365 Getting Spoofed from Another Country

Avatar of Joseph Salazar
Joseph SalazarFlag for United States of America asked on
Email ClientsSecurityMicrosoft 365
4 Comments3 Solutions188 ViewsLast Modified:
I have a Client where email is being sent out redirecting closing agents where to wire money to.

Called Microsoft and we put in a rule that no email can be sent or relayed through this DOMAIN using this feaure:

https://knowbe4.zendesk.com/hc/en-us/articles/212679977-Domain-Spoof-Prevention-in-Exchange-2013-2016-Office-365

But it still happens....With MS Tech Support we Tracked email Headers some emails were coming from an IP in England...So we blocked it Then it started coming from an IP in Germany...We blocked that....

How Can I protect my client's O365 Accounts from Spoofing???

Cjoego
ASKER CERTIFIED SOLUTION
Join our community to see this answer!
Unlock 3 Answers and 4 Comments.
Start Free Trial
Learn from the best

Network and collaborate with thousands of CTOs, CISOs, and IT Pros rooting for you and your success.

Andrew Hancock - VMware vExpert
See if this solution works for you by signing up for a 7 day free trial.
Unlock 3 Answers and 4 Comments.
Try for 7 days

”The time we save is the biggest benefit of E-E to our team. What could take multiple guys 2 hours or more each to find is accessed in around 15 minutes on Experts Exchange.

-Mike Kapnisakis, Warner Bros