Managing Recurring Outlook Meetings for Departed Users in Office 365 Exchange Online

In any organization, managing personnel changes is crucial, especially when it comes to administrative tasks like maintaining Outlook calendars and meetings. One common challenge faced is handling recurring meetings scheduled by employees who have left the organization. In Office 365 Exchange Online, these meetings continue to recur unless explicitly managed, which can lead to confusion … Read more

Cannot send an email on SMTP Port 25

Microsoft Stopped SMTP from sending emails on PORT 25. A shocking update from Microsoft was released in March 2022 where the SMTP relay stopped working on Porta 25. What we found:Port 25 is stopped working with Azure VMs What configured:As others in the IT sector industry have configured Relay for sending an alert, notice, and … Read more

DMARC (Domain-based Message Authentication Reporting and Conformance)

What is DMARC? Domain-based Message Authentication Reporting and Conformance (DMARC) is a free and open technical specification that is used to authenticate an email by aligning SPF and DKIM mechanisms. By having DMARC in place, domain owners large and small can fight business email compromise, phishing, and spoofing. With DMARC you can tell the world how to handle the unauthorized use of your … Read more

Troubleshooting Issue with Sending Emails from a Shared Mailbox in Microsoft 365

Have you ever encountered a situation where a delegate with full permissions and SendAs rights on a shared mailbox still couldn’t send emails, receiving bounce-backs stating, “You do not have permission to send the message on behalf of the specified user”? If so, you’re not alone. This issue often stems from a hidden setting that’s … Read more

How to Export Microsoft 365 Calendar Permissions Using PowerShell

In Microsoft 365 (formerly Office 365), managing calendar permissions efficiently is crucial for organizational productivity and security. While the Microsoft 365 admin center provides basic tools for managing permissions, PowerShell offers more flexibility and automation, especially when dealing with multiple calendars or complex permission structures. Why Export Calendar Permissions? Exporting calendar permissions via PowerShell can … Read more

Complete Mailbox Migration with Bad Items

Introduction: Migrating mailboxes is a crucial task for organizations, ensuring seamless transitions between email platforms while maintaining data integrity. However, migrations aren’t always smooth sailing. Bad items, such as corrupted emails or problematic attachments, can hinder the process. In this guide, we’ll delve into the intricacies of mailbox migration, focusing on handling bad items effectively … Read more