Why is SPF Check Failing with Office 365

Situation – Emails being delivered to Office 365 are getting rejected due to SPF check. Office 365 is seeing the IP of Spambrella as the sending server’s IP.

Solution – Disable SPF check on Office 365 or Add SPF record as recommended by Microsoft

Disable SPF Check On Office 365

The setting is located at Exchange admin Center > protection > spam filter > double click Default > advanced options > set SPF record: hard fail: off

Add SPF Record As Recommended By Microsoft

Microsoft suggests that the SPF of Spambrella gets added to the domain’s SPF

Customers on US DC (US1, US2, US3, US4) SPF:

“v=spf1 a:dispatch-us.ppe-hosted.com ~all”

Customers on EU DC (EU1) SPF:

“v=spf1 a:dispatch-eu.ppe-hosted.com ~all”

Domain Verification – TXT Record

SPF Checking with Office 365

Microsoft Office 365 Issues and Solutions