Category: Office 365

Determine If Distribution Group is Being Used in 365 Exchange

“What distribution groups are in use?” and “How many emails are sent to a specific distribution group per month?” are common questions I receive with 365 Exchange or Exchange.  Unfortunately, there is nothing built in that tracks how many emails on sent to a distribution group.  However we can use Get-MessageTrace to count the number …

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Matching Credit Card Numbers

Visa Regex Test

Overview Using regular expressions, you can easily match a credit card number.  You may wish to validate legit CC numbers, block financial information in emails, or audit security by finding financial information in documents.  There is no perfect algorithm or regex for detecting potential CCN’s, and there will always be false positives, etc.  Although regular …

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Block Outbound Email for Specific Users

Block Outbound Email

Overview There are a few situations where you may need to restrict certain users from sending email to external users.  For example, you may have part time employees that only need to send email to internal users OR you might have an employee who’s about to get terminated and don’t want them emailing clients.  Fortunately, …

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Delivery Report in Outlook or Outlook Web App

Outlook Message Delivery Report

Overview When using Outlook or Outlook Web App (OWA) in an Office 365 or Exchange environment, you can track the message from the client side.  Both Outlook and OWA allow you to view a delivery report in order to confirm a message was delivered when the recipient claims they have not received it or if …

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365Licenses.ps1

#========================================================================= # 365Licenses.ps1 # VERSION: 1.0 # AUTHOR: Brian Steinmeyer # EMAIL: [email protected] # WEB: https://sigkillit.com # DATE: 4/4/20114 # REQUIREMENTS: # 1) Microsoft Online Services Sign-In Assistant for IT Professionals # -(http://www.microsoft.com/en-gb/download/details.aspx?id=28177) # 2) Windows Azure Active Directory Module for Windows PowerShell # -(http://technet.microsoft.com/en-us/library/jj151815.aspx#bkmk_installmodule) # COMMENTS: This script is intended to retrieve Office 365 …

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