Furthermore, this quota mechanism is not 100% effective.It is possible to have a situation where someone may go over quota./bin/sh #The "s16777215" option sets the size of the log file and the "n80" denotes the number of log file to keep on hand.exec /usr/local/bin/setuidgid qmaill /usr/local/bin/multilog t s16777215 n80 /var/log/qmail/smtpd Today I noticed a bunch of errors in the dovecot log stating “[Dovecot] – Inotify instance limit for user exceeded, disabling”.You will want to set the “s” and “n” options in multilog to accomplish this.Open up your /service/qmail-smtpd/log/run file and change; #!If you would like to have a quota on your maildir mailboxes, the best solution is to always use filesystem-based quotas: per-user usage quotas that is enforced by the operating system.This is the best solution when the default Maildir is located in each account's home directory.

Maildirs allow multiple concurrent access by different applications. Multiple applications can update a maildir at the same time, without stepping on each other's feet., whose purpose is to inform any mail delivery agent that it's really delivering to a folder, and that the mail delivery agent should look in the parent directory for any maildir-related information. A folder subdirectory, such as does not itself contain any subfolders.

Furthermore, even bulletproof locking won't prevent occasional mbox corruption.

A process can be killed or terminated in the middle of updating an mbox.

You will need to read the information provided and then re-run the command with the additional option specified to ensure you are aware of what the command is going to do.

Once the command has been correctly ran with the additional parameter you will be able to update the quota within c Panel.