Tag Archives: Echange

Exchange Online: Microsoft will now block mails from unpatched Exchange systems

Posted on 2023-05-09 by guenni

[German]Microsoft has again reminded on May 8, 2023, that as a security measure for Exchange Online, they will now start to delay the delivery of mails from (on-premises) Exchange servers if these systems have fallen out of support or are … Continue reading →

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Exchange Server 2019: 2023 H1 Cumulative Update released (May 3, 2023)

Posted on 2023-05-04 by guenni

[German]Microsoft has released the 2023 H1 Cumulative Update for Exchange Server 2019, effective May 3. Also sailing under the acronym CU13, the update brings Modern Auth to Exchange 2019 and Outlook on Windows and is said to fix nearly 200 … Continue reading →

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How to find weak passwords in Active Directory and eliminate them with PowerShell

[Sponsored Post]Weak or compromised passwords are a known gateway for attackers. If you are able to identify which users in Active Directory (AD) are threatened by this, then PowerShell can help to remedy it. However, PowerShell scripts cannot eliminate basic AD deficits, other tools are needed for this. More ...

Exchange Server Security updates (August 9, 2022)

Posted on 2022-08-10 by guenni

[German]Microsoft has released security updates for Exchange Server 2013, Exchange Server 2016 and Exchange Server 2019, effective August 9. These updates are required to address vulnerabilities reported by external security partners and found through Microsoft's internal processes. The updates apply … Continue reading →

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Security information for Linux and Exchange

Posted on 2020-02-27 by guenni

[German]In this blog post I summarize some security information that has come to my attention in the last few hours. These are topics, for which I do not want to publish separate individual contributions in the blog. It is about … Continue reading →

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Office 365: Outlook search in Exchange inbox broken

Posted on 2019-11-05 by guenni

Since a few days users are facing issues with Outlook search in connection with an Exchange mailbox at Office365.com. This is a known issue for which Microsoft wants to roll out a fix. Advertising

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SmartScreen in Outlook/Exchange–end of support

Posted on 2016-09-08 by guenni

Microsoft has announced within this MS blog post the end of support for the Outlook and Exchange SmartScreen filter. Here are a few details about the topic. Advertising

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