Block Unwanted Emails
Objective: Prevent sending or receiving emails from specific external email addresses or domains.
Action: Navigate to the Tenant Allow/Block List in the Microsoft Security Center. Configure the settings to block specific email addresses or domains. For direct access, use this link: Tenant Allow/Block List.
Review Past Week of Sign-In History
Objective: Review sign-in history to identify any unusual user activity.
Action: Access the Azure portal’s sign-in history section. Specify the user of interest and examine their sign-in locations and activities. Access the portal here: Azure Sign-In History.
Published: February 7, 2023
| Last Modified: May 13, 2025A PowerShell script demonstrating the integration of ExchangeOnlineManagement and AzureAD modules to generate comprehensive email troubleshooting reports by correlating data through UserPrincipalName matching.
Published: November 17, 2021
| Last Modified: May 13, 2025A collection of PowerShell scripts using ExchangeOnlineManagement module to manage calendar permissions in Exchange Online, including bulk operations for granting, modifying, and viewing access rights across multiple mailboxes.
Published: September 16, 2021
| Last Modified: June 25, 2025