<md.benson@gmail.com> wrote:

Nov 24 17:34:27 proliant-1 dovecot: [ID 583609 mail.error] imap(mark): Error: rename(/mpool/mail/mark/dovecot.index.log.newlock, /mpool/mail/mark/dovecot.index.log) failed: Permission denied ... This is what the directory currently looks like:

mark@proliant-1:~$ ls -la /mpool/mail total 6 drwxrwxrwx+ 3 root root 3 2013-11-24 17:17 . drwxr-xr-x+ 5 root root 5 2013-11-24 13:50 .. drwxrwxrwx+ 5 mark staff 9 2013-11-24 22:20 mark

I'm think the "+" is the problem: you have, in the words of the manpage for ls,

... this character is a plus sign (+) character if a non-trivial
ACL is associated with the file ...

Try

ls -alv /mpool/mail

I don't use ACLs, so I can help you how to modify them.

Joseph Tam <jtam.home@gmail.com>