Skip to main content
Need help? Contact us anytime
(347) 997-1661 Submit a Request
InboxAlly
  • Home
  • Features
  • Pricing
  • Blog
  • Log In
Knowledge Base / Provider Deliverability Guides

Set up Microsoft complaint feedback loop

By Eric J · Updated March 4th, 2026 · Provider Deliverability Guides

Microsoft provides essential tools like the Junk Email Reporting Program (JMRP) and Smart Network Data Services (SNDS) to help email senders monitor and manage their reputation. These tools are crucial for maintaining healthy deliverability to Outlook.com, Hotmail, Live, and MSN mailboxes. This guide explains how to set up JMRP and SNDS effectively.

What is SNDS?

Smart Network Data Services (SNDS) offers insights into how Microsoft perceives your outbound email traffic. It provides metrics that help you troubleshoot and optimize your sending practices, including:

  • IP address reputation scores
  • Spam complaint rates
  • Traffic volume by IP
  • Junk mail filtering indicators

Access to this data allows you to proactively monitor sender reputation and avoid being filtered or blocked. For ongoing monitoring, consider using InboxAlly's Domain Reports.

What is JMRP?

The Junk Email Reporting Program (JMRP) is Microsoft’s complaint feedback loop system. When a user marks your email as junk, JMRP forwards a copy of that message to a designated reporting address. JMRP helps you:

  • Identify messages that trigger spam complaints
  • Remove complainers from your lists
  • Improve audience targeting and content strategy

Reducing complaint rates is key to maintaining long-term deliverability. Use InboxAlly's Email Content Tester to optimize your email content for better inbox delivery.

How to Set Up SNDS

  1. Access the SNDS Portal
    Visit the SNDS Portal.

  2. Sign in with a Microsoft Account
    Use any Microsoft account (e.g., Outlook.com or Hotmail) to access the dashboard.

  3. Register Your Sending IPs
    Add your IP addresses or CIDR blocks. Microsoft uses WHOIS or DNS records to verify that you control them.

  4. Validate Ownership
    Microsoft will send verification messages to standard administrative contacts such as [email protected] or [email protected]. Confirm these to gain access.

  5. Review Data
    Once confirmed, SNDS will show daily summaries of email volume, complaint metrics, and filtering status for each registered IP.

How to Set Up JMRP

  1. Access the JMRP Registration Page
    Visit the JMRP Registration Page.

  2. Log in with Your Microsoft Account
    Use the same account as for SNDS to manage both from a single profile.

  3. Submit IP Addresses
    Enter the IPs from which you send email.

  4. Provide a Complaint Feedback Address
    Use a monitored inbox such as [email protected] where complaint messages can be reviewed and triaged.

  5. Verify Email Ownership
    Microsoft sends a confirmation to the specified address. Once verified, you’ll begin receiving forwarded spam complaint messages.

Best Practices After Enrollment

  • Monitor SNDS data regularly to catch early signs of deliverability issues.
  • Set up automated workflows to process and react to JMRP complaint emails.
  • Ensure your complaint feedback address is actively monitored by your compliance or deliverability team.
  • Use SPF, DKIM, and DMARC authentication — Microsoft considers these signals when evaluating sender trustworthiness.
  • Investigate any spikes in complaint rates or junk mail classification quickly to avoid deliverability degradation.

Troubleshooting Tips

  • Didn’t receive confirmation emails?
    Check that your abuse@ or postmaster@ addresses are live and have valid MX records.

  • Not seeing any data?
    Your traffic volume to Microsoft domains may be too low, or your mail stream is currently clean and unflagged.

  • Blocked IPs?
    Use the Microsoft Sender Support Form to request a delisting and provide remediation details.

For additional support, you can check your blacklist status using InboxAlly's Spam Database Lookup tool. Start a free trial of InboxAlly to improve your inbox placement and manage your email deliverability effectively.

Was this article helpful?

Give feedback about this article

Search Articles

    No results found. Contact support for help.

    Related Articles

    How SpamAssassin scoring works How to set up Gmail Complaint Feedback Loop Set up Yahoo complaint feedback loop View all Provider Deliverability Guides →

    Browse Topics

    Getting Started Email Authentication & DNS Warm-Up & Sending Strategy Provider Deliverability Guides Troubleshooting & Recovery Reports & Metrics Compliance & Industry Updates Programs & Certification Integrations

    Still need help?

    Our deliverability experts are here to help you reach the inbox.

    Contact Support Book a Demo
    InboxAlly

    The Ultimate Email Deliverability Tool. Reach the inbox, not the spam folder.

    Product

    Features Pricing Case Studies Blog

    Support

    Knowledge Base Contact Us Book a Demo Support

    Company

    About Us Affiliate Program Terms Privacy
    © 2026 InboxAlly Inc. · 1178 Broadway, 3rd Floor #1166, New York, NY 10001 (347) 997-1661

    Definition by Author

    0
    0
    Expand