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Unplanned: Issue with PennNet Mailing Lists on November 27, 2017 (Update)

 

UPDATE 12/11/2017: The PennNet Mailing List fix that was originally scheduled for December 6, 2017 is rescheduled to be deployed at 5pm today, December 11, 2017. 

UPDATE: The PennNet Mailing List fix implemented yesterday at 5:00pm did not work as expected so ISC backed out of the change.  At this time, PennNet Mailing Lists are functioning but some functionality remains disabled as detailed below.

ISC will continue to work with the vendor to resolve this issue.

If you have any questions or concerns, please contact ISC Client Care at help@isc.upenn.edu.

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Subject: Issue with PennNet Mailing Lists

Date: Monday, November 27, 2017

Start time: 9:00 am

Duration: Ongoing 

User(s) Affected: PennNet Mailing Lists users

Description: Starting around Monday, November 27, PennNet mailing lists configured to require approval of messages found their messages being automatically approved.  ISC determined that this was triggered due to a change in the campus border security software scanning the emails for malicious payloads, resulting in inadvertent automatic approval of postings.

ISC has been working with the vendor to identify a work-around. During this time, some mailing list functionality has been disabled, including password resets. We will deploy a more permanent fix this afternoon at 5PM. This change will update approval flows in PennNet mailing lists to always require an email confirmation of posts to mailing lists that are configured to require such approval. The prior functionality with a ‘1-click’ approval will no longer be available. Similar updates have been made to the PennNet mailing lists password reset mechanism.