Find articles about configuring and administering Exchange Online for Microsoft 365.
Microsoft announced that Exchange Online will block old Exchange Servers by throttling and then rejecting their inbound email into Exchange Online. The hope is that this tactic will convince those who operate unsupported versions of Exchange Server to upgrade and use supported software that isn't vulnerable to known attack vectors.
My team has recently worked on some projects featuring multi-tenant and multi-Exchange environments. A common requirement for all projects is the ability to share free/busy information across all environments. In this article, I will dive into using free/busy sharing with Exchange/Microsoft 365 in the worldwide cloud. Sharing Free/Busy Information Let’s start with the obvious issues: […]
On the show this week, find out what's happening with recent changes to Exchange Online that might cause a delay if you're setting up a fresh Hybrid environment; plus security recommendations for your on-premises Exchange environment. If you're getting into Viva Sales, we discuss what the new OpenAI GPT add-in does. Creepy or useful - you decide! Plus Microsoft Syntex's PAYG model goes live and Teams gets user experience changes that your users will certainly notice.
User Submissions is a valuable Microsoft 365 feature that helps add an extra layer of defense in your organization. In this article, Damian Scoles discusses the importance of User Submissions and how to set up your configuration.
In early December 2022, Rackspace had a major breach in their exchange environment that led to customers' mail data being stolen. This article explains what happened and what can be learned from this incident.
This article reviews using advanced message tracking to identify Junk-Mail and Spoof Messages through tools like Exchange Message Trace, Threat Explorer, Message Header Analyzer, and Advanced Hunting.
Join us as we continue the Exchange Online Domain Transfers series, focusing on the strategy phase of a Microsoft 365 domain move project.
RBAC for Applications is a new method to secure Azure AD app access to Exchange Online mailboxes. In this article, we explain how to use Managed Identities in Azure Automation with RBAC for Applications making sure that scripts can only access selected mailboxes.
Security researchers love to report software vulnerabilities that they find. That's their role and it's a valuable contribution to the technical community. However, some of the reports about Microsoft 365 flaws are over-hyped and under-considered, like a recent example covering the risk of phishing in the Exchange Online Direct Send feature.
Microsoft has released the public preview of RBAC for Applications. The new mechanism allows tenants to control the access Azure AD apps have to mailboxes at a granular level. RBAC for Applications will replace application access policies.
This article explains how to use the Microsoft Graph API and PowerShell to extract meeting data from the calendars of room mailboxes to generate statistics about the usage of the rooms. Only confirmed meetings are included in the data.
Even though Exchange migrations are becoming easier, there are still some things to remember when you plan and perform an upgrade to Exchange 2019. Check out this article for some practical advice on upgrading to Exchange 2019.
