

This improves your deliverability amongst several email service providers around the world. These organizations have published best practice documents that we support and recommend senders adhere to. Microsoft actively works with industry bodies and service providers in order to improve the internet/email ecosystem. Email Deliverability Resources and Organizations.If you are not in compliance with the above policies and guidelines, it may not be possible for our support team to assist you. If you are adhering to the guidelines, practices and policies presented on this page and are still experiencing deliverability issues, please contact deliverability support. has developed the following free services to help in this effort.

Senders, ISP's and other third party senders and service providers should actively manage the reputation of your outbound IPs. While, other forms of authentication are available, Microsoft currently only validates inbound mail via SPF and Sender ID authentication. This is the practice of verifying email addresses without sending (or attempting to send) emails to those addresses.Įmail sent to users should include Sender ID authentication.
