Email Marketing The End of an Era: Microsoft Overhauls JMRP and the Death of the ‘X-HmXmrOriginalRecipient’ Header July 22, 2026 In a move that marks a definitive shift in the landscape of email deliverability, Microsoft…
Email Marketing The Great Anonymization: Microsoft’s JMRP Overhaul and the End of the ‘Recipient Address’ Era June 25, 2026 In a move that marks a tectonic shift in email delivery infrastructure, Microsoft has finalized…