Protecting Administrator Mailboxes from Phishing and Other Threats
This article describes how to use Exchange transport rules to protect administrator mailboxes from malware and phishing attempts.
This article describes how to use Exchange transport rules to protect administrator mailboxes from malware and phishing attempts.
Exchange Online now supports SMTP Strict Transport Security (MTA-STS), a mechanism to help defend SMTP communications between mail servers.
Exchange Online has mailbox retention policies. Microsoft 365 has retention policies and retention labels. In this article, we explore how to move away from Exchange Online retention to use Microsoft 365 retention.
In a December 24 announcement, Microsoft says that the roll-out of DNSSEC and DANE support in Exchange Online will start in mid-January 2022. It's a phased deployment and won't complete until mid-May.
Microsoft Sentinel is Microsoft's log aggregator. Along with other data, Sentinel can ingest events from the Office 365 audit log. Once ingested, we can visualize the data through workbooks.
On November 1, Microsoft will limit auto-expanding archives to 1.5 TB and bring the era of "bottomless archiving" to an end. The new limit might not affect many Exchange Online tenants.
From November 1, 2021, Microsoft requires Outlook 2013 Service Pack 1 (with fixes) as the minimum client version to connect to Exchange Online.
Azure B2B guest accounts are often created during a Merger & Acquisition, so teams from both organizations can easily collaborate during the business and technology integration. However, these external users with B2B Guest accounts in their directory will eventually need to be migrated, which is problematic since B2B Guest accounts aren’t recognized as being licensed. The guest account can be removed and a new one created, but previous permissions would be lost. So how do we preserve permissions, keep collaborating without managing two sets of credentials while preparing the user account for data migrations? This article walks you through a solution that can be used in certain situations to help you easily manage the account to meet your needs.
Microsoft Certified Master (MCM) and Microsoft Certified Solutions Master (MCSM) Ingo Gegenwarth provides a glimpse into his speaking session at TEC and how to manage ExO at scale with PowerShell.
Microsoft has announced their intention to enable plus addressing across Exchange Online in January 2022. This is a good capability, but it might cause some problems.
In the show this week, Ingo Gegenwarth joins Steve and Paul to talk about how to manage Exchange Online at scale in advance of his TEC talk; and we look at the pricing for Windows 365, test drive Teams 2.0 and check in on Skype in retirement - has it really retired?
Ten years after its launch, backing up Office 365 data is more difficult than ever before. Apps are more complex and interconnected and APIs aren't available. What should an Office 365 administrator do to protect tenant data. Here's some thoughts on the challenges and why Microsoft needs to do more to help in this space.