Outlook Sign in to Outlook to access your email account and manage your messages
Smart Network Data Services - Outlook. com 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
SNDS - FAQ - sendersupport. olc. protection. outlook. com 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
Policies, Practices, and Guidelines 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