I've studied your problems with considerable concern, and I must admit to
being completely stymied. I have never seen this problem, and you are the
only site that has reported it. Another site has reported a different
class of problem on Solaris, which may have a common cause (see below)
It'
Our IMAP server supports about 200 users. The operating system is
FreeBSD 5.3. The users have home directories on this machine, but no
shell access. There is no POP access. All user interaction is by
means of IMAP and their email client (Thunderbird and Outlook with a
slight advantage to Thunde
