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RWTH MailApp (OWA) - Configuration changes

Partial Outage
Mon 05/18/2026 08:00 AM - Unknown

Due to a critical security vulnerability in Microsoft Exchange, temporary changes had to be made to the system to prevent this vulnerability from being exploited. The necessary configuration changes affect the webmail client and, according to the manufacturer, may have the following side effects:

1) The Light version of the webmail client is currently disabled
2) Images in the message body may not display correctly.
3) Printing the calendar in the webmail client does not work.
4) Published calendars might not work with error 500.

Microsoft is working on a patch to address this vulnerability. Once the patch is available, the changes mentioned above can be reversed.

18.05.2026 08:35

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Wartung des zentralen Mailgateways der RWTH Aachen

Maintenance
Thu 05/28/2026 10:00 AM - Thu 05/28/2026 12:00 PM

Zu diesem Zeitpunkt wird das zentraleMailgateway der RWTH Aachen einer turnusmässigen Wartung unterzogen.
Es ist von keinem Ausfall des der Mailfunktionalität auszugehen.

12.05.2026 14:22