This incident is now resolved and all cluster A users should no longer have IMAP issues.
Posted Nov 21, 2019 - 15:36 UTC
We have implemented a fix for this issue and we are already starting to see an improvement in IMAP connections on Cluster A.
We will continue to monitor the situation for the time being.
Posted Nov 21, 2019 - 14:49 UTC
We have identified the cause of this IMAP connection issue on Cluster A. Steps are being taken to more evenly distribute users across the IMAP nodes.
The next update will be at 15:37 UTC
Posted Nov 21, 2019 - 14:38 UTC
We are currently experiencing incident that is impacting Hostedemail, (IMAP, Cluster A). Some users may be experiencing login failure using IMAP connection. Our operations team is currently investigating the issue. We will update as soon as we've identified the issue.