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Outlook - m.hotmail.com
Access your Outlook email account or create a new one easily.
Smart Network Data Services - postmaster.hotmail.com
Jan 22, 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 …
SNDS - FAQ - postmaster.hotmail.com
Jan 22, 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.