When did Microsoft launch their JMRP FBL?
Summary
What email marketers say6Marketer opinions
Email marketer from StackOverflow mentions Hotmail's FBL (part of JMRP) in the context of dealing with spam complaints. They provide information about the importance of managing bounces and FBLs but do not state an exact date for the program's launch.
Email marketer from Litmus discusses feedback loops in general. He mentions that setting them up with providers like Microsoft is a best practice to understand the complaints being made about your email program.
Marketer from Email Geeks suggests that 2004 is plausible for the Microsoft JMRP FBL launch. He recalls that in September 2003, AOL was the only one with an FBL. His company signed paperwork to get into Microsoft FBL sometime after that.
Email marketer from Reddit shared their experience with Hotmail's FBL, noting it was essential for managing their sender reputation. While they don't specify a launch date, their comments show the program was active by 2018.
Marketer from Email Geeks shares a Google search result indicating information about JMRP from March 4, 2005, and an archive link from 2007.
Email marketer from EmailVendorSelection explains that JMRP allows Microsoft users to forward spam emails back to the original sender, which is critical for those senders to see and improve their reputation.
What the experts say3Expert opinions
Expert from Word to the Wise explains the importance of participating in Microsoft's feedback loops through the Junk Mail Reporting Program (JMRP) and using the Smart Network Data Services (SNDS) for monitoring IP reputation, highlighting these as key elements of Microsoft's deliverability ecosystem. The launch date isn't specified but implies the program's existence for a significant time.
Expert from Spamresource explains that Microsoft uses SNDS which provides data to help senders identify and address deliverability issues. They also discuss JMRP, where users mark email as spam, and that feedback is provided to senders who participate. They didn't provide the launch date.
Expert from Email Geeks states that 2002-2004 sounds about right.
What the documentation says3Technical articles
Documentation from Validity Support outlines the process for setting up a feedback loop (FBL) with Microsoft, which is part of the JMRP. While it doesn't provide the initial launch date, it shows the continued importance of the program.
Documentation from Microsoft Support states that the Junk Mail Reporting Program (JMRP) was introduced to allow users to report unwanted email as junk directly to senders, enabling them to improve their email practices. The exact launch date isn't provided, but the context suggests it was around 2005.
Documentation from MSDN Archive explains the Junk Email Reporting Partner Program (JMRP). Users of Outlook.com can report junk email. When a user classifies email as junk, the sender is notified via an aggregate report.