JIRA Cloud mailstore not found

[Jens_Eeckhout]

We have an incoming mail handler set up to create issues from e-mails. This was configured with the default settings, and worked up until today. Now, when I go to test the connection of the mail handler, I get the error message "UnknownHostException: mailstore".

Settings are as follows:

How would I go about fixing this?

[Jens_Eeckhout · Accepted solution]

This has been classified as a bug by Atlassian. Others who might experience this problem, follow-up here: https://jira.atlassian.com/browse/JRACLOUD-68553