Tag Archives: Mail

Barracuda Networks: Spam filter/virus scan blocks mails globally (September 29, 2022)

Posted on 2022-09-29 by guenni

[German]Brief notification for administrators who use a mail protection / security solution from Barracuda Networks in an enterprise environment. Since tonight (September 29, 2022) there seems to be a problem that emails get stuck in their spam filters (Email Security … Continue reading →

Posted in issue, Security, Software | Tagged , , | 9 Comments
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Outlook/Apps failing sending mails? Microsoft has disabled SMTP (July 2022)

Posted on 2022-07-13 by guenni

[German]Very brief information for users and administrators who use Microsoft 365 or Microsoft Office 365 with Exchange Online and are suddenly confronted with the problem that the sending of emails in Microsoft Outlook or in other applications is on strike. … 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 ...

Outlook.com: IMAP-XOAUTH2 login fails – some mail clients affected

Posted on 2021-09-29 by guenni

[German]Microsoft seems to have recently changed the authentication for the IMAP protocol on its Outlook.com email service. It is no longer possible to use XOAUTH2, so some mail clients refuse to cooperate. Here is a brief overview of the situation. … Continue reading →

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(eMail-) Encryption with StartTLS as a security risk

Posted on 2021-08-24 by guenni

[German]The encryption method StartTLS, which can be used in network communication, especially for e-mails, has a number of vulnerabilities that make it possible to break open communication by stealing access data, for example. This was already proven by German security … Continue reading →

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Google fixes Gmail spoofing vulnerability

Posted on 2020-08-21 by guenni

[German]In Google's email service Gmail wad a spoofing vulnerability that could have been used to send mail through someone else's account. Google has now eliminated this vulnerability after an exploit became public. Advertising

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Windows 10: Mail & Calendar app deletes GMail

Posted on 2020-06-25 by guenni

[German]The Mail & Calendar app included with Windows 10 is causing a steady stream of issues. Constantly something is broken, now there are reports that the app deletes GMail entries or is causing GMail issues. Advertising

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Office365.com outage fixed, Microsoft 365 facing now new issues 01/29/2019)

Posted on 2019-01-29 by guenni

[German]Today Microsoft reported that the major outage of Office365.com last week was fixed. But now Microsoft 365-/Office365.com users can no longer access safe links in emails. And outages of Azure, Outlook, Skype etc. are also floating in. Advertising

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Microsoft employees experienced reply-all email Armageddon

Posted on 2019-01-26 by guenni

[German]Thursday, January 24, 2019, about 11,500 Microsoft employees were probably quite annoyed because their mailboxes were flooded with 'tons of e-mails'. A configuration change to the Microsoft's Github account was the root cause of this incident. Advertising

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Windows 10: Mail app don’t support group mails

Posted on 2018-08-25 by guenni

The mail app of Windows 10 doesn't support to send group emails to contacts located within the people app. The creation of groups in the people app is not possible. Now a Microsoft employee is trying to push the topic. … Continue reading →

Posted in Windows | Tagged , , | 4 Comments

Windows 8.1: Mail App requires suddently a Microsoft Account

Posted on 2018-07-19 by guenni

[German]It looks like the mail app included in Windows 8.1 suddenly rquires to log in to a Microsoft account to. Here are a few hints. Addendum: The user has solved the issue – explanation inside. Advertising

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