Category Archives: Exchange Online

Exchange Online – Are your mailboxes encrypted?

For some organisations, encryption of data at rest is considered an important security control, especially in the context of cloud solutions. With core Office 365 services (SharePoint Online and Exchange Online) you have the option of controlling your own keys through the method known as Customer Key. But is there anything built-in that provides encryption… Read More »

Exchange Online PowerShell Module and Execution Policy

I’ll get to the problem with Powershell Execution Policy shortly, but first a bit of background… If your AAD/O365 admin accounts are configured for multi-factor authentication (which they should be, because it’s free), you will likely be familiar with the Exchange Online PowerShell Module, which is designed to work with MFA.  Getting to the Module… Read More »

How to extract a list of mailboxes from an Exchange mailbox migration batch

Actually, this is more of a question than answer – although I have an answer of sorts, albeit far from elegant. I’ve been scheduling some batch onboarding mailbox migrations from a hybrid environment with Exchange 2010 to Exchange Online.  The batch process is pretty straightforward, but I haven’t found an easy way to dump the… Read More »

EOP Accepted Domain silently modified

It seems that a couple of weeks ago my standalone Exchange Online Protection (EOP) configuration was changed without me being involved. Basically, it looks like my default Accepted Domain was changed from type “Internal Relay” to “Authoritative” without my knowledge or consent. The first I knew of this was when I noticed my on-premises mail… Read More »