WebApr 9, 2024 · a few of our users are getting spam emails that make it seems that the emails are from microsoft. some are received from their own email address. upon checking the header, we found this. dmarc failed. what else can we do to block such span email. Authentication-Results: spf=none (sender IP is 92.38.163.78) WebBut we have an mail message that is in our 365 Quarantine. I copied the message header and ran it through MS's Message Analyzer. Now, the email is coming from a known vendor of ours, but the analyzer results I see that stand out are: Received-SPF None (protection.outlook.com: thevendor.com does not designate permitted sender hosts)
Mail marked as spam - Microsoft Community
WebJul 8, 2024 · Now I check message trace and see that some messages from this sender still get sent to Junk Folder. Messages get SCL-1, Spam Filtering Verdict SKN, IPV:NLI, BCL … WebMar 16, 2024 · “The compauth result is only stamped for users with ATP license. This stands for composite authentication and is Office 365’s combined SPF, DKIM, DMARC, … buzzfit brossard
Common Phishing Bounce Codes and Resolutions - Knowledge Base
WebOct 11, 2024 · Authentication-Results: compauth= reason= And if the CompAuth result is fail, these are the … WebApr 2, 2024 · In the case of SPM, the compauth reason code was one of the 4xx codes reflecting. It seems this might need some more precision. Overall, the complexity of anti-spoofing protection has increased significantly, and it seems hard to fully master. A lot of good material in this article, but if it isn't accurate such as noted here then it does make ... WebAug 23, 2016 · 1. 451 You have exceeded your messaging limits. When a sender tries to send an email, a connection to his/her mail server is established. Most mail servers have limited the number of connections allowable for an mail account. This connection limit is set to combat abuse or spamming of the mail server. cest is what