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 […]
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 […]