Access your outlook email account or create a new one easily. You should use this data to keep your mailing lists clean and to. That is, the command rcpt to:<example@hotmail.com> requests outlook.com's servers to respond with whether it will accept mail for example@hotmail.com, information which is invaluable to spammers trying to compile recipient lists for future spamming.
Outlook.com smart network data services deliverability to outlook.com is based on your reputation Maintaining a good reputation is a lot of work The outlook.com smart network data services (snds) gives you the data you need to understand and improve your reputation at outlook.com