1.TCPIP> SET CONFIGURATION SMTP /INTERVAL=(INIT="0 00:10:00.00")

      The system waits 10 minutes before making its first attempt to
      deliver the message.

    2.TCPIP> SET CONFIGURATION SMTP /INTERVAL=(RETRY="0 00:20:00.00")

      Specifies the wait time between retries.

    3.TCPIP> SET CONFIGURATION SMTP /INTERVAL=(MAX="3 00:20:00.00")

      Specifies the maximum amount of time to retry before an error
      message is issued.

    4.TCPIP> SET CONFIGURATION SMTP /GATEWAY=(ALTERNATE:route_gateway)

      Specifies the alternate host or domain to which delivery
      is attempted if mail cannot be delivered to the primary
      destination.

    5.TCPIP> SET CONFIGURATION SMTP /GATEWAY=(GENERAL:uucp_gateway)

      Specifies a general-purpose gateway to handle non-SMTP mail.

    6.TCPIP> SET CONFIGURATION SMTP /ZONE=rsch.opt.com

      Specifies that rsch is a domain that can be used to divert
      messages to nodes outside the local domain.