jmrp
It’s time for another entry in the DELIVTERMS dictionary! Today, let’s define JMRP. JMRP is the “Junk Mail Reporting Program,” the mechanism by which email sending platforms and internet service providers can receive complaints back whenever an Outlook.com (Microsoft OLC) user clicks the “report spam” button to tell Microsoft that they think a particular email message is spam. You might find some older documentation that refers to this as the “Junk Mail Reporting Partner Program” (JMRPP) – that’s an older name for the same thing. Overall, mailbox providers and internet service providers call these types of mechanisms “Feedback Loops.” Thus, the JMRP is the Microsoft Outlook.com ISP feedback loop. A sender must utilize a dedicated sending IP address to sign up for JMRP; the intent is for the owner of an IP address to get complaints back about mail sent from their own IP address. (Platform owners, whether or not
Starting on August 16th, Microsoft seems to have stopped sending feedback loop reports. Microsoft’s FBL is called the “JMRP” (Junk Mail Reporting Program) and multiple folks are indicating that the email feed of complaint reports that this entails seems to have dried up. Microsoft has been notified but I’ve not heard of any ETA for a fix at this time. I’ll be sure to update this post if/when I receive more information.[ H/T: LB Blair and others ]