© 2019 Dan Schultz

11 Sep 2019

Quick post, this time. I've discovered recently that a Microsoft DLP policy which includes a rule to scan for credit card numbers, will "pass" an email which includes card numbers separated from correlated expiration dates by even a single Unicod...

6 Mar 2019

Phishers often masquerade as internal users. You can visually tag email from outside your org, & here’s some solid HTML code to implement that on the first try.

You accomplish this by pasting HTML code into a transport (aka "mail flow") rule that...

14 Sep 2018

To avoid unpredictable results due to your script reading from or writing to "random" domain controllers, it's good practice to use the -Server or -DomainController parameter pertinent to a given cmdlet. Typing the parameter and the hostname is a...

5 Apr 2018

Recently I needed a quick script to set the two-letter O365 country codes, while my only source for the setting was the three-letter codes in a given AD forest.

This presented a problem, because O365 accepts only the two-letter codes (ISO Alpha-2)...

10 Feb 2018

Despite the many Sublime Text color schemes, you’ll want a quick way to tweak your favorite without the hassle of making your own scheme. Here’s that quick way.

I’ll get right to it, as every discussion I could find was either needlessly complicat...

24 Jan 2018

This one hadn't reared its head in a long time, but here's a classic PowerShell error which isn't yet lost to history. When a common cmdlet suddenly isn't recognized, here's a solution.

There are still plenty of legacy Exchange Server installation...

7 Oct 2017

You probably have the need, from time to time, to remain connected with your Skype for Biz client but go into stealth mode. "Appear Away" doesn't quite get the job done. Like the Lync client before it, the SFB client can be configured to provide...

13 Sep 2017

If your customers have been hedging on Office versions, here's the answer to the question, "How long can we leverage our Office 2007 investment?" A: 31-Oct-2017.

That's not the end of the story, though. You'll need to pay attention to your ve...

12 Sep 2017

Last year's beta program, for customers looking to migrate very large Exchange 2010 on-prem Public Folder hierarchies to Exchange Online, has yielded an officially supported increase to 250,000 Public Folders on the ExO side. Prior, the limit for...

18 Feb 2017

I haven't received an alert or email about this from Microsoft as yet, so I'm whipping up a quick post in case I'm not the only one.

Starting on 05-Jul-2017, customers with hybrid Exchange deployments (or EOP) won't be able to relay mail through E...

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DLP "Bypass" in O365

11 Sep 2019

Quick post, this time. I've discovered recently that a Microsoft DLP policy which includes a rule to scan for credit card numbers, will "pass" an emai...

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