名牌煤气灶排名第一 Outlook.com Postmaster

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. However, it is not intended to provide extensive support to Outlook.com users. If you are an Outlook.com user in need of support, please visit Microsoft Support. To nigate this site please use the nigation links to the left, or to jump right to the most requested information please click on one of the links below. I am an Outlook.com user in need of support. Email I send is being blocked or junked by Outlook.com. I want information about SMTP error codes returned by Outlook.com servers. Announcements Requirements for High-Volume Senders

Starting May 5th, 2025, Outlook.com is enforcing stricter email authentication standards (SPF, DKIM, DMARC) for domains sending over 5,000 emails per day to enhance security and reduce spam. Non-compliant messages will be sent to messages will be sent to the junk folder. Shortly we will reject the messages until the DNS records are corrected. Learn more about these changes and how to prepare in our recent blog post: Strengthening Email Ecosystem: Outlook’s Requirements for High‐Volume Senders.

Postmaster Site Welcome to the Outlook.com Postmaster site. We've created this site in order to help senders improve their reputations and increase deliverability into Outlook.com inboxes.