Xerox Grapevine/ARPA SMTP MailServer commands:

ServerControl:    Help                Login/Logout    InitServer        User                LogPriority

Reception:        GVRcvrInit        SMTPRcvrInit    GVRcvrFinal    SMTPRcvrFinal

Items:            PrintItem            PrintGVBody    ReadInitItemFiles ReadItemFile    ProcessItem
         
Queue System:    StartQueueDemons
                                       Queue                    Element                       Queues
                                -        
       Print                     | PrintQueue            | PrintElem             |        ForProcessingQueue
       Inhibit                    | InhibitQueue        | InhibitElem             |        ToGrapevineQueue
         Uninhibit                | UninhibitQueue    | UninhibitElem         |        ToArpanetQueues
         Requeue                |                        | Requeue             |        BadItemQueue
        DequeueAndDestroy    |                        | DequeueAndDestroy|        <ArpaHostName>
        ReturnToSender        |                        | ReturnToSender     |
        BreakLock                | BreakQueueLock    |                         |
                                -