I filed RT 39164 for this bug to have the mailbox disable or at least find out more about it. Got a permanent failure to deliver email https://pastebin.canonical.com/31888/ similar to the one above.
I filed RT 39164 for this bug to have the mailbox disable or at least find out more about it. Got a permanent failure to deliver email https:/ /pastebin. canonical. com/31888/ similar to the one above.