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1. ITMC
2. News: 11/22/2023
Warning against using the free Outlook app from the Windows Store

warning expressly does not apply to "Outlook 2016", which is included in official Office packages, or other mail programs such as Thunderbird. Please do not use the new Outlook APP currently advertised in the [...] University. This app, unfortunately also named "Outlook" by Microsoft, transfers your TU access data and your mail account to the Microsoft cloud, similar to the Outlook smartphone app for Android or IOS. Sharing [...] information on this here: https://www.heise.de/news/Microsoft-lays-hands-on-login-data-Beware-of-the-new-Outlook-9358925.html …
1. ITMC
2. News: 3/29/2023
Serious security vulnerability in Outlook / blocking port 445 and 139 in the firewall outbound

We recommend not using Outlook in the home office (even in VPN) until we issue a warning. This does not apply to the campus. Outlook Web Access (OWA) https://outlook.tu-dortmund.de can still be used in [...] Thunderbird or Apple Mail are also not affected. Outlook can still be used on campus without hesitation, as our firewall protects you. The serious Outlook vulnerability CVE-2023-23397 has not yet been fully …
1. ITMC
2. News: 8/29/2023
Outlook settings for certificates

accepts almost all digitally signed mails sent with Outlook at TU Dortmund University. The reason is the default use of SHA1 as hashing algorithm by Outlook. This can be avoided by changing the value for the [...] SHA256 in Outlook in the Trust Center in the settings for e-mail security via "Change security settings". TU members can find a detailed description of how to digitally sign mails with Outlook in the S …
1. ITMC
2. News: 7/1/2022
Phishing e-mails with the subject "IT Service Support"

need to log in to the Outlook web portal by a certain date. The portal page linked there is fake. Please note: We at ITMC will never send you messages asking you to log in to the Outlook web portal or Office365 [...] Office365. Such mails are always phishing attempts! Only access the Outlook web interface directly in the browser via https://outlook.tu-dortmund.de and never via a link in an e-mail. …
1. ITMC
2. News: 2/3/2025
Phishing: Don't open, don't click

technical support Do not open, do not click An alle Mitarbeiter Wir migrieren alle Outlook-E-Mail-Konten in die Outlook Web App 2025. Daher müssen sich alle aktiven Kontoinhaber verifizieren und anmelden [...] Wenn Sie dieser Aufforderung 24 Stunden nach Erhalt dieser E-Mail nicht Folge leisten, wird Ihr Outlook Web App-Konto umgehend aus der Administratordatenbank deaktiviert. Für die Nichtbeachtung dieser [...] ICT-Technischer Support, um weitere Spam-Mails zu migrieren und zu blockieren. Grüße, ICT TechTeam, Outlook-Dienste für Mitarbeiter und Internetdienste. …
1. ITMC
2. The ITMC
RSS-Feeds

RSS-Feeds Outlook The RSS feeds are integrated into Outlook as follows: Right-click on the "RSS Feeds" folder in Outlook. A menu window will open. In this window select the item "Add new RSS feed ..." …
1. ITMC
2. News: 7/6/2023
Microsoft Outlook app lock for iOS and Android

The widely used Outlook app for iOS and Android from Microsoft retrieves your official mail from our mail server via the Microsoft cloud if a TU Exchange account is configured. Only if mail retrieval is [...] longer. You and we have no control over this. There is no direct secured communication between the Outlook app for iOS and Android on your smartphone and the TU Dortmund mail server. In the IT security concept [...] disclosure of the TU password to third parties. Therefore, we will block the retrieval of mails via the Outlook app from 08/15/2023. Please update your mobile mail retrieval configuration. For iOS, we recommend …
1. ITMC
2. News: 8/15/2023
Reminder: Microsoft Outlook app lock for iOS and Android

The widely used Outlook app for iOS and Android from Microsoft retrieves your official mail from our mail server via the Microsoft cloud if a TU Exchange account is configured. Only if mail retrieval is [...] longer. You and we have no control over this. There is no direct secured communication between the Outlook app for iOS and Android on your smartphone and the TU Dortmund mail server. In the IT security concept [...] disclosure of the TU password to third parties. Therefore, we will block the retrieval of mails via the Outlook app from 08/15/2023. Please update your mobile mail retrieval configuration. For iOS, we recommend …
1. ITMC
2. News: 12/6/2022
Warning about emails with the subject "Technischer Service – Postfachauthentifizierungsaktualisierungen"

derzeit ein Upgrade für alle aktiven OWA Outlook-Konten durch. Um das Upgrade automatisch abzuschließen, müssen Sie das Upgrade manuell initiieren, indem Sie das OUTLOOK-WEBPORTAL [3] besuchen. Das Upgrade [...] Upgrade wird vom 5. Dezember bis zum 7. Dezember 2022 wirksam. Alle Outlook-Konten, die während dieser Zeit nicht aktualisiert wurden, werden als inaktiv eingestuft, was zur Deaktivierung/Schließung des Kontos …
1. ITMC
2. News: 3/30/2023
The warning for Outlook in the home office is lifted for Outlook versions with an installed update.

The attack on the Outlook vulnerability CVE-2023-23397 is only possible by attackers within the university network itself for Outlook versions with the current patch status, which is why we are now lifting [...] lifting the warning regarding Outlook in the home office. If your computer is centrally managed by the ITMC, all necessary updates have already been applied. If you manage your computer yourself, please …

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