The multitenant organization feature, available as a preview since mid-2023, is now available for Microsoft 365 production environments. In this article, I will explore the new feature and explain how to configure it in M365.You can read the post on the following link: https://4sysops.com/archives/the-new-microsoft-365-multitenant-organization-feature/

Microsoft has recently announced that Basic Authentication in Exchange Online SMTP AUTH will be disabled in September 2025. In this post, I will discuss the implications of this announcement and provide guidance on what steps you can take to ensure your email applications and devices remain functional. You can read the post on the following…

Microsoft will retire the Role-Based Access Control (RBAC) application impersonation role in Exchange Online in May 2024. Applications widely use this role in Exchange Online as it enables them to impersonate users in the tenant to perform actions on behalf of the users. You must migrate all your applications from using this role to other…

Microsoft 365 has deprecated the search-mailbox cmdlet, a decision that has faced considerable resistance from numerous Exchange Online administrators. In this post, I aim to examine the consequences of this cmdlet’s removal and discuss viable alternatives and potential solutions.You can read the post on the following link: https://4sysops.com/archives/alternatives-to-the-microsoft-365-search-mailbox-command/

Defender for Office 365 and Exchange Online Protection monitor all emails hitting your domain and block harmful messages and spam. However, emails from legitimate sources can sometimes also be blocked for various reasons. In this scenario, as an admin, you want to whitelist the sender or the domain. In this post, you will learn how…

It is astonishing that over 200 billion spam emails are sent out every single day. One way to tackle this problem in Microsoft 365, formerly Office 365, is to use anti-spam policies.You can read the post on the following link: https://4sysops.com/archives/anti-spam-policies-in-microsoft-365-office-365/

Email security is important for every Microsoft 365 tenant, and the configuration of quarantine policies is a critical part of this. Every Microsoft 365 administrator has to decide the manner in which their tenant will react to spam, phishing, and malicious content in emails. One possible action is to quarantine such emails. In this post,…

Data loss prevention (DLP) is a handy feature in Microsoft 365 that shields data. In the previous article, you learned to configure data loss prevention in Exchange Online. The same feature is a useful addition to Microsoft Teams in terms of compliance. In this article, you will learn the techniques to create DLP policies to handle…