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 deliverability issues. Deliverability to outlook.com is based on your reputation The outlook.com smart network data services (snds) gives you the data you need to understand and improve your reputation at outlook.com. Therefore, we have built some services to help isps gain a good understanding of the type of traffic originating from their networks and reaching outlook.com customers. 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 state. 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.
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 about how users with outlook.com accounts can report junk email and phishing attempts.
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