Manual CGI Scripts Web Page Help Users's Homepages Businesses Virtual Domains 1.
Every message is added to a central queue directory by qmail-queue.
These four programs are long-running daemons. The queue is designed to be crashproof, provided that the underlying filesystem is crashproof. See section 6 for more details. Each message in the queue is identified by a unique number, let's say 457. Here are all possible states for a message.