EXCHANGE

Rotate your DKIM Signing Keys in Exchange Online

Rotate your DKIM Signing Keys in Exchange Online

Andres Bohren
Hi All, A few Days ago I did read the following Article about DKIM Signing Keys at Heise Online: E-Mails: Experten schleusen Fälschungen mittels geknackter DKIM-Schlüssel ein One of the key Messages is this: The attempt shows that RSA keys with a length of 384, 512 or 768 bits can be cracked with little effort. But 1024-bit DKIM keys are no longer “state of the art” today, but are often still accepted for reasons of compatibility.
New Built-in Junk-E-Mail Reporting Buttons finally in Outlook Mobile

New Built-in Junk-E-Mail Reporting Buttons finally in Outlook Mobile

Andres Bohren
Hi All, Did you notice the following Message Center Message about the Junk-E-Mail Reporting Buttons in Outlook Mobile? Microsoft Outlook for iOS/Android: New reporting buttons integrated with Microsoft Defender for Office 365 Let’s have a look at the Release notes for Outlook Mobile. Look how detailed it is 😂 Built-In Report Buttons The built-in Report button is available in the following versions of Outlook: Outlook for Microsoft 365 version 16.0.17827.15010 or later and Outlook 2021 Version 2407 (Build 17830.
ExchangeOnlineManagement 3.7.1-Preview1 released

ExchangeOnlineManagement 3.7.1-Preview1 released

Andres Bohren
Hi All, A few days ago, Microsoft has released the ExchangeOnlineManagement 3.7.1-Preview1 PowerShell Module. PowerShell Gallery ExchangeOnlineManagement 3.7.1-Preview1 v3.7.1-Preview1: Introduced a new property named ExoExchangeSecurityDescriptor in Get-ExoMailbox response, that is similar to ExchangeSecurityDescriptor property in Get-Mailbox response. v3.7.0-Preview1 : Integrated WAM (Web Account Manager) in Authentication flows to enhance security. Starting with EXO V3.7, use the LoadCmdletHelp parameter alongside Connect-ExchangeOnline to access the Get-Help cmdlet, as it will not be loaded by default.
Exchange Online Message Trace V2 (Public Preview)

Exchange Online Message Trace V2 (Public Preview)

Andres Bohren
Hi All, A few Days ago, the Exchange Team Blog anouced the Public Preview of the New Message Trace in Exchange Online. It’s now possible to search in the last 90 Days but only for a 10 days period. Announcing Public Preview of the New Message Trace in Exchange Online PowerShell After you connect to Exchange Online, the Commands are exported to a tmpEXO_* Module. If you search for a Command with the *V2 ath the End you will find the New Get-MessageTraceV2 and Get-MessageTraceDetailV2 Commands.
ExchangeOnlineManagement 3.7.0 released

ExchangeOnlineManagement 3.7.0 released

Andres Bohren
Hi All, Yesterday, Microsoft has released the ExchangeOnlineManagement 3.7.0 PowerShell Module. PowerShell Gallery ExchangeOnlineManagement 3.7.0 v3.7.0 : Integrated WAM (Web Account Manager) in Authentication flows to enhance security. Starting with EXO V3.7, use the LoadCmdletHelp parameter alongside Connect-ExchangeOnline to access the Get-Help cmdlet, as it will not loaded by default. Fixed connection issues with app only authentication in Security & Compliance PowerShell. I am using the new PSResourceGet here instead of the PowerShellGet commands.
November 2024 Exchange Server Security Updates Re-Release

November 2024 Exchange Server Security Updates Re-Release

Andres Bohren
Hi All, Today, the Exchange Server Updates from November 2024 have ben re-released. Re-release of November 2024 Exchange Server Security Update packages Released: November 2024 Exchange Server Security Updates Downloads: Security Update For Exchange Server 2016 CU23 SU14 V2 (KB5049233) Security Update For Exchange Server 2019 CU14 SU3 V2 (KB5049233) Exchange 2019 You have to reboot the Server after the Installation There is a new Version of Healthchecker Exchange 2016 You have to reboot the Server after the Installation
Microsoft Places will be rolled out soon

Microsoft Places will be rolled out soon

Andres Bohren
Hi All, In the M365 Message Center is the annoucement that in December Microsoft Places will be rolled out in early December. I’ve already blogged about Microsoft Places Preview a few months ago. In the past Weeks the Microsoft Places Licencse has been rolled out to all Tenants List Service Plans of an SKU with Microsoft.Graph PowerShell Connect-MgGraph -Scopes Directory.Read.All -NoWelcome Get-MgSubscribedSku | ft SkuId, SkuPartNumber, ServicePlans Get-MgSubscribedSku | where {$_.
November 2024 Exchange Server Security Updates

November 2024 Exchange Server Security Updates

Andres Bohren
Hi All, Just a few Hours ago, the Exchange Team has released Security Updates for Exchange 2016 and Exchange 2019. Updates 14.11.2024 There seems to be an Issue with Exchange Transport Rules and the Downloads have been removed temporarly. Infos Anouncement on Exchange Team Blog Released: November 2024 Exchange Server Security Updates Alongside with that came also some new Features Improvements in Exchange Server AMSI integration Non-compliant RFC 5322 P2 FROM header detection ECC certificate support improvements Downloads
Exchange Online IPv6 Enablement for Accepted Domain

Exchange Online IPv6 Enablement for Accepted Domain

Andres Bohren
Hi All, A few Days ago, Microsoft has released an Information about the IPv6 enablement for Accepted Domains in Exchange Online. Starting 16 October, Microsoft will deploy IPv6 IP Addresses for MX Records that point to Exchange Online. You can control this behaviour with the following Commands: Get-IPv6StatusForAcceptedDomain -Domain "domain.tld" Enable-IPv6ForAcceptedDomain -Domain "domain.tld" Disable-IPv6ForAcceptedDomain -Domain "domain.tld" Let’s check it out on my M365 Tenant Connect-ExchangeOnline -ShowBanner:$false Get-IPv6StatusForAcceptedDomain -Domain "icewolf.ch" I’ve received an Error on a Domain i used for Exchange Online DANE Inbound Preview
ExchangeOnlineManagement 3.6.0 released

ExchangeOnlineManagement 3.6.0 released

Andres Bohren
Hi All, Yesterday, Microsoft has released the ExchangeOnlineManagement 3.6.0 PowerShell Module. PowerShell Gallery ExchangeOnlineManagement 3.6.0 v3.6.0 : Get-VivaModuleFeature now returns information about the kinds of identities the feature supports creating policies for (e.g., users, groups, or the entire tenant). Cmdlets for Viva feature access management will now handle continuous access evaluation (CAE) claims challengesAdded new cmdlets Get-VivaFeatureCategory and Get-VivaFeatureCategoryPolicy. Added fix for compatibility issue with Microsoft.Graph module. I am using the new PSResourceGet here instead of the PowerShellGet commands.