It appears that a "unified" approach is required similar to all the finance officials and politicians are doing across the world now for financial crisis. An approach in isolation by one or other team is not appearing to result in a quick solution. Here it appears that even two departments from same company namely Yahoo Mail Server and Zimbra desktop team are just reporting problems instead of working in unison for a faster turnaround time. Mails being disappearing from yahoo mail server is a critical issue as per me (as it defeats the very purpose of web based mail in the first place) and hence it needs equally important and quick resolution at highest priority. I do not even see any update to bug 31450 after 15th September and whatever updates are available before that are also marked as hidden.