Requests that are placed in the body of a message must be at the beginning of the message. Each message can contain only one request. For example, each of the following is equivalent. The server ignores the extra spaces. For example, each of the following is equivalent.
Some requests take an argument.
For example, a subscribe request must specify which list the request is for. The following table lists all available commands. Note that the digest command is not available for a list that does not have digests turned on. Request Argument Action Help Returns a message that describes how to communicate with the server. Lists Returns a message listing the available lists on the list server.