Exchange - Thunderbird Not Receiving Email Since 12/27/2022

Issue/Question

  • Beginning December 27, 2022, my Thunderbird client is no longer receiving email.

Environment

  • Oregon State University
  • Exchange Email
  • Thunderbird

Explanation

The cause of this issue is currently unknown.

This issue may also be impacting other IMAP clients.

Resolution

Work-Around

This recommended work-around comes from the following forum post: https://answers.microsoft.com/en-us/outlook_com/forum/all/thunderbird-imap-responded-user-is-authenticated/062a82f6-e678-4462-88b7-dd6cc318386f?page=4

  1. In Thunderbird, select the gear icon on the bottom left
  2. Select "General"
  3. Scroll all the way down for "Config Editor"
  4. In the search field, type in: network.dns.ipv4OnlyDomains
  5. Set the value to: office365.com
  6. Close and reopen Thunderbird
  7. Remove "Explanation" section if not applicable.
  8. Add Tags to the article; see Guidelines for tags.
  9. Submit the article for approval.

Assistance

For assistance, contact the Service Desk.

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