mprobe(8zm)                                                        mprobe(8zm)



NAME
       mprobe - smtp-server aliveness probe

SYNOPSIS
       mprobe hostname

DESCRIPTION
       The  mprobe(8zm)  is  usable  to test, if the named host (no IP address
       allowed!) has a smtp-server, that responds properly.

EXIT CODES
       0      All is well, smtp-server responded just fine

       2      Can't resolve target hostname

       3      mprobe(8zm) internal failure, can't create  socket  (should  not
              happen!)

       4      failed to connect to the remote host

       5      mprobe(8zm) internal failure, fdopen() failed.. (should not hap-
              pen!)

       17, 19 The remote smtp-server hung-up on us, most likely

       18     The remote smtp-server did respond something,  but  it  did  not
              begin with "220"

       20     Timeout (60 seconds) from start of processing.

       99     Missing mandatory host parameter.


SEE ALSO
       scheduler(8zm), smtpserver(8zm), smtp(8zm), zmailer.conf(5zm).


AUTHOR
       This tool is authored and copyright by:
          Matti Aarnio <mea@nic.funet.fi>



                                  2003-Aug-28                      mprobe(8zm)

 NAME
 SYNOPSIS
 DESCRIPTION
 EXIT_CODES
 SEE_ALSO
 AUTHOR