How can you boost your Exchange Hybrid inbound mail security? In a hybrid Exchange environment, ensuring that only authorized messages reach your on-premises Exchange servers is crucial for security. If your MX record points to Office 365, you should configure your firewall to block all inbound email traffic except from Microsoft’s public IP addresses. That […]
Secure Mailbox Access with Microsoft Graph & Entra ID | 🚀 The Ultimate Guide
Introduction Managing mailbox access securely in a Microsoft 365 environment can be challenging, especially when dealing with automation and API-based access. This is where my PowerShell script comes in: a robust, secure, and dynamically adaptable way to provision an Entra ID application with granular access control to a single mailbox using Microsoft Graph and Exchange […]
New Outlook for Windows PST File Support – What You Need to Know
Microsoft is introducing significant improvements to PST file support in the new Outlook for Windows. These enhancements will allow users to group emails as conversations within Outlook Data Files (.pst), making email management more intuitive. Additionally, Microsoft has plans to further expand PST file capabilities in future releases. This update is part of Microsoft 365 […]
Mailbox Migration from Exchange Online to On-Prem Fails? Fix the Issue in Minutes!
Mailbox Migration from Exchange Online to On-Prem Fails? Acommon issue is an ExchangeGUID mismatch. This occurs when the ExchangeGUID does not match between Exchange Online and on-premises Exchange, causing the move request to fail. In this guide, we’ll walk through how to correctly synchronize the ExchangeGUID and ensure a smooth migration using PowerShell, based on […]