Apr 30, 2026 · Outlook.com Smart Network Data Services Deliverability to Outlook.com is based on your reputation. The Outlook.com Smart Network Data Services (SNDS) gives you the data you need to …

Outlook.com Outbound IP Space Outlook.com sends e-mail from the following IP addresses: 40.92.0.0/14

Jan 22, 2026 · Policies, Practices, and Guidelines Microsoft is dedicated to help provide the most trusted and protected consumer experience on the web. Therefore, Microsoft has developed various …

Apr 30, 2026 · This site provides information to information technology professionals who administer systems that send email to and receive email from Outlook.com. It also provides some information …

Troubleshooting This section provides troubleshooting information for senders who are having trouble reaching Outlook.com users by email. If you are an Outlook.com user looking for support with your …

Jan 22, 2026 · Fighting Junk Email Microsoft's email safety roadmap involves an unmatched cross-product approach. SmartScreen® anti-spam and anti-phishing filtering technology is being applied …

Apr 30, 2026 · Attempts to send mail to Hotmail's mail servers from these IPs will result in consistent refusal, however use of the Hotmail web user interface may not be affected--it is controlled separately.

Services for Senders and ISPs Jump to Sender Solutions Jump to ISP Solutions Sender Solutions Email abuse, junk email, and fraudulent emails (phishing) continue to burden the entire email ecosystem. …