This article lists the Sendmail version 8.0 timeouts that can be configured
on the Sendmail host:
   
initial: the amount of time to wait for the initial greeting message.
   mail: the amount of time the local Sendmail waits for acknowledgement of
         its MAIL command.
   rcpt: the amount of time the local Sendmail waits for acknowledgement of
         each RCPT command.
   datainit: the amount of time that the local Sendmail waits for
             acknowledgement of its DATA command.
   datablock: the amount of time the local Sendmail waits for
              acknowledgement of receipt of each line.
   datafinal: the amount of time the local Sendmail waits for
              acknowledgement that the mail message was received.
   rset: the amount of time the local Sendmail waits for acknowledgement
          of the RSET command.
   quit: the amount off time the local Sendmail waits for acknowledgement
         of the QUIT command.
   misc: the amount of time the local Sendmail waits for acknowledgement
         of miscellaneous commands.
command: the amount of time the local Sendmail waits for commands.