Office 365 Message Attribution
When a message arrives at Office 365, one of the first things we need to do is figure out which organization it belongs to. At first, this sounds simple – just look at the recipient, right? Well, it is more complicated than that, because of Hybrid and complex routing scenarios.Improving Security - Together
For many years, client apps have used Basic Authentication to connect to servers, services and endpoints. It is enabled by default on most servers and services and it’s super simple to set up. Simplicity isn’t at all bad in itself, but Basic Authentication makes it easier for attackers to capture user’s credentials and so we’re taking steps to improve data security in Exchange Online.Disabling Legacy Authentication in Exchange Server 2019
Legacy authentication methods are less secure, are vulnerable to interception and are susceptible to brute-force and password spray attacks. Use Authentication Policies in your Exchange Hybrid environment to disable legacy authentication requestsSupport of DANE and DNSSEC in Office 365 Exchange Online
Microsoft is committed to providing world-class email security solutions and the support for the latest Internet standards in order to provide advanced email protection for our customers. Today we are announcing that Exchange Online will be adding support for two new Internet standards specific to SMTP traffic.
