The RETR command did not succeed. Error retrieving a message. Mail server outlook.office365.com responded: Server Unavailable. 21
We’ve been experiencing ongoing issues with our email accounts: Several accounts keep showing repeated error messages. Every time we refresh, the error reappears, and we… (read more)
We’ve been experiencing ongoing issues with our email accounts:
Several accounts keep showing repeated error messages. Every time we refresh, the error reappears, and we’re unable to send or receive emails. Sometimes it resolves on its own, but the issue recurs multiple times throughout the day. Please see the error screenshot attached below for reference.