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This site provides information to information technology professionals who administer systems that send email to and receive email from Outlook.com.

Outlook.com Outbound IP Space Outlook.com sends e-mail from the following IP addresses: 40.92.0.0/14 © 2018 | | | Developers | English (United States)

This is the fraction of the time that a message received from the IP is complained about by a Hotmail or Windows Live user during the activity period. Users have the option of reporting …

Note: Deliverability issues submitted using this form should only be related to the Outlook.com system, including any address @msn.com, @Outlook.com, @hotmail.com, or @live.com. We …

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 …

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 …