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 …

The Outlook.com Smart Network Data Services (SNDS) gives you the data you need to understand and improve your reputation at Outlook.com. But just looking at the data isn't enough!

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Sign in to Outlook to access your email account and manage your messages.

It is against Outlook.com policy to send mail from a machine which is an open proxy server, and it will be blocked from accessing some or all of Outlook.com servers as long as it remains in that …

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Senders attempting to send email to Outlook.com users should ensure they fully understand and are following the guidance on this page to help in this effort and to help avoid potential …

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However, Microsoft understands that legitimate email senders should not be negatively affected. Therefore, we have established a suite of services to help senders improve their deliverability …

The goal for Outlook.com is to offer a comprehensive and usable email service that helps detect and protect users from junk email, fraudulent email threats (phishing) and viruses.