Which setting in the Courier IMAP configuration file will tell the IMAP daemon to only listen on the localhost interface?
You suspect that you are receiving messages with a forged From: address. What could help you find out where the mail is originating?
What is the missing keyword in the following configuration sample for dovecot which defines which authentication types to support?
Why is the root file system mounted read-only during boot and remounted with write permission later on?
Which TWO of the following configuration sections will allow members of the domain group “all” to read, write and execute files in “/srv/smb/data”?