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, US5) SPF:“v=spf1 include:_spf-us.ppe-hosted.com ~all”
Customers on EU-DC (EU1) SPF:“v=spf1 include:_spf-eu.ppe-hosted.com ~all”
Related articles:
Domain verification
SPF checking office-365
Office-365-issues and solutions
