---
title: Dec 4, 2025 - Issue with Email Notifications Not Being Sent, etc. (Resolved)
description: [Resolved] On Dec 4, 2025 (JST), an issue occurred where emails such as booking confirmations were not sent. The issue is now resolved. Please check here for details and impact.
---

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# Dec 4, 2025 - Issue with Email Notifications Not Being Sent, etc. (Resolved)

## On December 4, 2025, an issue occurred where emails from Spir (such as booking confirmations and cancellations) were not sent. The issue is now resolved, and the service is operating normally.

*Updated: 2025/12/05 10:00 (JST)*

#### \[Occurrence Time\]

December 4, 2025 15:17 - 16:58 (JST)

*(Note: The duration has been corrected based on investigation results.)*

#### \[Issue Details\]

During the time above, the following automated email notifications from Spir were not delivered.

- *Note: Only the notification emails confirmed to have failed are listed below.*
- *Note: Notification emails not listed here were sent normally.*

| Feature | Notification Email Type | Recipient |
| --- | --- | --- |
| \[Team\] Availability Links | Booking Confirmation | Host, Host's Teammates |
| Guest, Guest's Attendees |  |  |
| Cancellation Notice | Host, Host's Teammates |  |
| Guest, Guest's Attendees |  |  |
| \[Team\] Confirmed Scheduling | Schedule Creation/Update | Host |
| Booking Confirmation | Host |  |
| \[Individual\] Availability Links | Booking Confirmation | Host, Host's Teammates |
| Guest, Guest's Attendees |  |  |
| Cancellation Notice | Host, Host's Teammates |  |
| Guest, Guest's Attendees |  |  |
| \[Individual\] Confirmed Scheduling | Invitation (Participation) | Attendee |
| Schedule Update | Attendee |  |
| Booking Confirmation | Host |  |
| Alternate Time Proposal | Host |  |
| Cancellation Notice | Host |  |
| \[Individual\] Polling | New Poll Notice | Host |
| Poll Completion | Attendee |  |
| Poll Update | Host |  |
| Booking Confirmation | Attendee |  |

Additionally, the following features were unavailable during the same period:

- New Spir user account registration
- Spir user account registration via Team Member Invitation emails

#### \[Impact Scope\]

- Hosts and Guests expected to receive the notification emails listed above during the affected time.
- Users who attempted to register for a Spir account during the affected time (via homepage or invitation email).

#### \[Action Required\]

- **For Meetings:** Schedule confirmations, cancellations, and calendar synchronizations were processed normally. **No action is required regarding the schedules themselves.**
- **For Account Registration:** Users who attempted to register during the affected time are kindly requested to **try the registration process again.**

If you have any questions, please contact support via the chat icon at the bottom right of this page. *(Please note that responses may take longer than usual due to high inquiry volume.)*

We sincerely apologize for any inconvenience this may have caused. We are committed to preventing such issues in the future.

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