We had this this morning:
Oct 25 12:36:34 msslat dovecot: imap(keh2): Error: user keh2:
Initialization failed: Namespace '#mbox/':
mkdir(/stage/mail/imap1/keh2/mail) failed: Permission denied
(euid=2291(keh2) egid=101(luci) missing +w perm: /stage/mail/imap1, euid
is not dir owner)
Oct 25 12:36:34 msslat dovecot: imap(keh2): Error: Invalid user
settings. Refer to server log for more information.
Oct 25 12:36:35 msslat dovecot: imap-login: Login: user=<keh2>,
method=PLAIN, rip=128.40.73.160, lip=128.40.73.13, mpid=26736
Oct 25 12:36:35 msslat dovecot: imap(keh2): Error: user keh2:
Initialization failed: Namespace '#mbox/':
mkdir(/stage/mail/imap1/keh2/mail) failed: Permission denied
(euid=2291(keh2) egid=101(luci) missing +w perm: /stage/mail/imap1, euid
is not dir owner)
Oct 25 12:36:35 msslat dovecot: imap(keh2): Error: Invalid user
settings. Refer to server log for more information.
Because the parent directory was rwxr-xr-x root.root
The problem is that for some reason dovecot then wedged and a lot of
other stuff piled up behind it, causing people to complain their mail
wasn't coming through. Load average climbed to over 100.
Creating the user directories freed things up...
