Microsoft Deliverability

Outlook, Hotmail and Microsoft 365 behave differently from Gmail. These guides cover Microsoft's bulk sender rules, its spam confidence thresholds, junk-folder causes, and how to get your sending infrastructure trusted.

Do you meet Gmail, Yahoo and Microsoft's sender rules?

We check your sending against each mailbox provider's bulk-sender requirements and fix the gaps before they cost you inbox placement.

Get a Deliverability Audit

Or speak to an engineer: 0345 905 7297