As it stands now, his initial question remains unanswered, with the only guidance being "upgrade"; which lacking anything else he is running with in the blind hope it makes things faster (his actual issue, not his questions).
Apparently, you didn't read my initial email in full. I specifically referenced multiple bug fixes made in later releases that could be the reason they are experiencing the issue.
--Quanah -- Quanah Gibson-Mount Lead Engineer Zimbra, Inc -------------------- Zimbra :: the leader in open source messaging and collaboration