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''Note: One big advantage to the new config directory is that you no longer have to go digging though documentation to find the parameter to accomplish what you want. Most of the time you can find it in one of the conf files, and you need only remove the remark characters and, if necessary, make slight modifications to the syntax for your customization.''=== using the configuration file system ===In this example, we want to tell dovecot we are using the Maildir system rather than mbox. This parameter already exists in one of the configuration files in the conf.d directory. Rather than manually typing it in to the local.conf, you can just unremark it from the correct existing .conf file. The files are logically labeled so it seems logical to guess where the parameter is. However, if you don't like guessing, just do a quick search though the conf files to find the remarked parameter we want... cd ./conf.d/ grep Maildir *And we find it in mail.conf vi mail.confAnd we remove the remark in the line mail_location = maildir:~/MaildirYou can check to make sure the parameter will be read by dovecot by performing this test at the command line: dovecot -nWhich spits out only what dovecot reads (less all remarks)