Items related to messaging services with a focus on Exchange Online (EXO) and Exchange server (on-premises)
There are a multitude of online tools that help diagnose issues with various mail services, but understanding what these tools actually check is valua… Read the rest “How to Use NsLookup To Check DKIM Record”
In the field, I’m seeing multiple customers that are struggling to implement the DownloadDomain feature. It does require a little prep work and it is … Read the rest “Implementing Exchange DownloadDomain Security”
When designing an upgrade strategy from an older version of Exchange to a newer one, a question that needs to be addressed is do we need to introduce … Read the rest “Exchange 2019 Point of No Return”
When delivering Office 365 Security Optimisation Assessments (SOA) to customers, one of the control items is the version of Azure AD Connect deployed a… Read the rest “Upgrade to Azure AD Connect 2.0”
One of my customers wanted to verify their Domain Based Message Reporting Conformance (DMARC) record, and followed the post How To Use Nslookup To Che… Read the rest “How To Use Nslookup To Check DMARC Record”
Exchange 2019 CU12 has been released to the Microsoft Volume Licensing Center and the public Microsoft Download site! Exchange 2019 has a different s… Read the rest “Exchange 2019 CU12 Released”
Exchange 2016 CU23 has been released to the Microsoft download centre! Exchange 2016 has a different servicing strategy than Exchange 2007/2010 and u… Read the rest “Exchange 2016 CU23 Released”
Below are a series of links to the main Microsoft Defender for Office 365 blog. Shortcuts added here as this is one of my shared bookmarks.
Note that … Read the rest “Microsoft Defender for Office 365 Blog Compiled links”
Planning to deploy Office 365 and integrate with your on-premises Exchange infrastructure? Great! While running the Exchange Hybrid Configuration Wi… Read the rest “Microsoft Teams Source IP Address Used Connecting to On-Premises Exchange”
Rather than kicking it old school and using the classic tools such as AD Users & Computers (dsa.msc) to move FSMO roles, PowerShell makes it nice … Read the rest “Move FSMO Roles Using PowerShell”