Microsoft's Smart Screen® technology is designed to provide anti-spam filtering innovations for as well as other Microsoft products like Exchange Server, Microsoft Office Outlook and Windows Live Mail.
Alternatively, if an user adds your domain or email address to their "contacts" or their "safe-senders list" they will no longer see this notification.
In addition, senders who are on the Return Path Certification list or on a user's "safe sender's" list typically experience links and images within their messages enabled by default. An "allow list" is essentially a "free pass" which allows emails from certain senders to bypass junk email filters and other precautions. You can find out more about our filtering processes here. who helps ensure the legitimacy of certain senders via their Return Path Certification program.
Occasionally, some of the IPs in our MX record may be out of service.
If you are connecting to one of these IPs your connection may timeout. You may also configure your outbound email server to do a round-robin DNS lookup for
If that doesn't work, try connecting directly to the IPs.
If you are able to connect directly to the IP and not mail.hotmail.com, then it is likely there is an issue with your DNS server.Smart Screen® email filters are influenced by a number of factors related to the sending IP, domain, authentication, list accuracy, complaint rates, content and more.Of these, one of the principal factors in driving down a sender's reputation and deliverability is their junk email complaint rate.However, submitting this information does not guarantee that any message you send to users of the services will be delivered.Senders must not use namespace mining techniques against inbound email servers.Microsoft does not allow this behavior and takes action on IPs that engage in it.