IMAP lists a .ispconfig_mailsize "folder"
Ubuntu 8.04 LTS ISPConfig 3.0.1 Final
I verified a mailbox configured with ISPConfig using Outlook Express. I used Squirrelmail and RoundCube on the mailbox, so there were IMAP folders set up. Outlook and RoundCube listed a new "folder" named .ispconfig_mailsize for the account and there were files named .ispconfig_mailsize directly in the maildir folder and under the courierimaphieracl directory. There were also a file named "5" in the maildir folder, which seems to be a bug somewhere...
Can courier be configured to not show .ispconfig_mailsize as a folder? Can the .ispconfig_mailsize be renamed to prevent listing it as an IMAP folder? (Folder names are start with a dot, I guess it causes the problem.)