Delayed delivery of survey invitaton emails

Update timeline

1. identified Mar 26, 2026, 03:54 AM UTC

   We are investigating reports of delays in the delivery of survey invitation emails within the US data centre. Slack and MS Teams notifications are being delivered as expected during this time. Engineers have been informed of the issue and are currently investigating....

2. investigating Mar 26, 2026, 04:31 AM UTC

   Our Engineering team is actively investigating reports of delays in the delivery of survey invitation emails within the US data centre. At this time, you may observe a delay in email communications being sent after launching a survey or adding a new participant to a live...

3. investigating Mar 26, 2026, 05:36 AM UTC

   We are investigating reports of delays in the delivery of survey invitation emails within the US data centre. At this time, you may observe intermittent delays in email communications being sent, or not being delivered at all, a considerable time after launching a survey or adding a new...

4. investigating Mar 26, 2026, 06:48 AM UTC

   As a result of our investigations into reports of delays in the delivery of survey invitation emails, we have found that there may be some customers using Proofpoint who are having these invitation emails be blocked by their spam quarantine. If you are using Proofpoint and...

5. resolved Mar 27, 2026, 12:26 AM UTC

   All Culture Amp survey invitation emails are being triggered successfully. As a result of our investigations into reports of delays in the delivery of survey invitation emails, we have found that there may be some customers using Proofpoint who are having these...