id summary reporter owner description type status priority component severity resolution keywords cc release 11535 Handle IMAP UID resets / UIDVALIDITY lucid lucid "An IMAP server provides an uid for each message, but is allowed to reset uid's between sessions, signaled by the `UIDVALIDITY` flag. The MailArchivePlugin currently wrongly assumes this never happens and does not handle that case at all. I suppose there would be problems if it happened as for example messages would not get archived anymore or duplicates would get archived. I'm not sure how this should be fixed though." defect new high MailArchivePlugin major