Obtain help on using the mail server.

    Syntax

      HELP

1  –  Description

    The HELP command returns a description of the commands recognized
    by the mail server.

2  –  Error messages

  %MAILSERV-F-HLPNOTAVA, Help for server is presently unavailable

      No help information is currently available. This may or may not
      be a temporary condition.

  %MAILSERV-W-MAXPARM, too many parameters

      You supplied a parameter after the HELP command. The HELP
      command does not accept any parameters (e.g., does not take
      a "topic" parameter).