DKIM

September 28, 2023 Leave a comment

DKIM. No, it’s not a new singer/rapper/influencer/whatever. It’s a DNS controlled Email Authentication mechanism. What does that mean? Well, if you want a technical explanation, go see my article on Authorization vs Authentication, since that is important to understand if you want to understand DKIM. DKIM stands for DomainKeys Identified Mail. It uses a feature of Public Key Authentication to allow receiving mail servers to verify that the message is not modified in transit and that the sender is authentic. …

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Authentication VS Authorization: A Quick Explanation

August 15, 2023 Leave a comment

The authentication vs authorization dichotomy is something every IT person should learn. The two concepts are often confused with one another, likely because they both start with “Auth.” Also because, from an end user perspective, the two work together so seamlessly that it’s hard to tell where one starts and the other stops. The difference is important, though.…

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AC Brown’s Cloud Guide – Part 4 – Cloud Service Providers

August 12, 2019 Leave a comment

What are Cloud Service Providers

Moving from a traditional IT infrastructure to a cloud-based or hybrid infrastructure is a complicated undertaking. Cloud systems will reduce the level of control an organization has over their application, and getting the right setup is sometimes difficult. This is where Cloud Service Providers (CSP) come in. I should first point out that CSP is a Microsoft term for organizations that partner with them to provide migration, administration, architectural, security, and development services to their customers.…

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AC Brown’s Cloud Guide – Part 3 – Shared Responsibility Model

June 11, 2019 Leave a comment

What does “Shared Responsibility” Mean

“Shared Responsibility” explains the demarcation line between what a cloud provider controls and what a cloud consumer controls. In a traditional DIY IT environment, responsibility for everything rests entirely on the business and its IT personnel. Electricity, physical security, hardware, software, and everything else has to be purchased, installed, maintained, and administered by the company directly or through an intermediary.…

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AC Brown’s Cloud Guide – Part 1 – The Basics

May 30, 2019 Leave a comment

Cloud Concepts and Terminology

As a consultant who was working on Office 365 migrations shortly after it was released (well, renamed), I have worked on a log of migrations. Migrations are a always a project that can be difficult to manage if not done properly. As with any project, planning for a migration is extremely important.…

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IT Concepts – What is Identity Federation

May 14, 2019 Leave a comment

One of the most historically difficult problems to address in IT is usernames and passwords for multiple applications. We all have a multitude of accounts we have to manage. Bank accounts, social media, email, work accounts, cloud storage, and every other system we use relies on usernames and passwords to “authenticate” who we are. There are a number of different solutions for this problem, but the most user friendly method is a technique called “Identity Federation.”…

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Step by Step: Export Office 365 OneDrive Data

May 3, 2019 1 Comment

Office 365’s OneDrive is a wonderful tool for storing, sharing, and securing access to files of all types, but running an export of Office 365 data can be confusing. One of the rules for OneDrive is that, unless shared, data is normally only accessible by the user who owns the OneDrive folder. But when employees leave the company, accessing that data and exporting it to a more accessible location requires a bit of work.…

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Step by Step: Export Office 365 Email to PST

April 26, 2019 7 Comments

Microsoft has significantly changed the way admins export email in Office 365 are done by eliminating export tools in each application (Exchange, SharePoint, etc). There is now a single solution for exports, including Exchange PSTs, OneDrive, and SharePoint files. This central solution is the Security and Compliance center. Unfortunately, there isn’t much information on how to properly export data from Exchange Online now that the Compliance center in Exchange Admin is deprecated.…

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Office 365 Hybrid Agent – An Overview

April 22, 2019 Leave a comment

If you have set up a new Hybrid configuration with Office 365 lately, you will notice a new option in the Hybrid Config Wizard, the Hybrid Agent. Before I go into my personal views on this new option and whether you should use it, let me first explain what this agent does. Note: Before I start, I should state that I have not had an opportunity to test the Hybrid agent’s features yet, so there are still a few questions I have about it.…

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Fixing Outlook Certificate Errors

April 10, 2019 Leave a comment
How to solve problems with Exchange Autodiscover. Certificate Error issues in particular.

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