Forum Discussion
tsula
Jun 26, 2020Copper Contributor
office 365 mail SPF Fail but still delivered
Hello today i received mail from my organization. i check headers and see that spf failed. Received-SPF: Fail (protection.outlook.com: domain of mydomain.com does not designate 67.220.184.98 as pe...
Geno_C7
Oct 07, 2020Copper Contributor
tsula I solved the problem by creating two Transport Rules. The first one reads the "Received-SPF" line in the header information and if it says "SPF=Fail" it sends the message to quarantine. The second one reads the "Authentication-Results" line in the header information and if it says "Fail" sends the email to quarantine. Hope this helps.