Forum Discussion
All outgoing mail from Microsoft 365 tenant to outlook and yahoo mark as spam at receiver end
Hello all, I’m encountering an issue with sending emails to external providers. Despite a successful migration from our hosting provider’s mail server to the M365 server two nights ago, and ensuring ...
If everything is configured correctly (SPF, DKIM and DMARC) then you really need to get the recipients to provide you with details of why the message was determined to be junk by whatever message hygiene solution they are using. From there you can take actions to remediate if possible, otherwise it's up to the recipient to configure their hygiene system to fix the false positives that are occurring
- Thank you for your answer, it looks like that Outlook delivery is based on reputation... https://sendersupport.olc.protection.outlook.com/snds/