Error: Mailbox INBOX: file_dotlock_create in directory /var/mail failed: Permission denied

[Odhiambo Washington]

On Mon, Jan 16, 2023 at 1:34 PM manmatha <manmatha at isical.ac.in> wrote:

> Hi All,
>
> We are running Round cube on top of dovecot and postfix as our email echo
> system. Main problem we are facing is that, roundcube loads really slow for
> big inboxes (~5000 emails). I found that, while it loads, imap process goes
> high in terms of CPU utilization(~90%). I asked it in some roundcube
> support group, They believe that it is related to dovecot not roundcube.
> Can you shed any light on this issue. Thanks in advance.
>
> Here is $dovecot -n$ output
>
> xyz at roundcube-internal-server-1: <manmatha at roundcube-internal-server-1:>/etc/dovecot$
> dovecot -n
> # 2.3.16 (7e2e900c1a): /etc/dovecot/dovecot.conf
> # Pigeonhole version 0.5.16 (09c29328)
> # OS: Linux 5.15.0-1024-kvm x86_64 Ubuntu 22.04.1 LTS
> # Hostname: roundcube-internal-server-1
> auth_mechanisms = plain login
> disable_plaintext_auth = no
> listen = *
> lock_method = dotlock
> mail_always_cache_fields = date.received
> mail_cache_min_mail_count = 5000
> mail_location = mbox:~/mail:INBOX=/var/mail/%u:INDEX=/var/indexes/
> isical.ac.in/%n
>

Yes. Please migrate from mbox to Maildir++ and you will not suffer from
those lock issues.


-- 
Best regards,
Odhiambo WASHINGTON,
Nairobi,KE
+254 7 3200 0004/+254 7 2274 3223
"Oh, the cruft.", egrep -v '^$|^.*#' ¯\_(ツ)_/¯ :-)
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