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NAME
     splitmail - Split a large mail message  into  MIME-compliant
     partial messages

SYNOPSIS
     splitmail  [-d] [-v] [-s splitsize]  [-p  prefix]  [-i   id-
     suffix] [file-name]

DESCRIPTION
     The splitmail program will take an email message  and  break
     it  up  into smaller pieces using the "message/partial" type
     defined by MIME, the proposed  Internet  standard  for  mul-
     timedia mail formats.

     By default it will take the  message  either  from  standard
     input  or  the named file, and will produce a set of partial
     message files with names like "/tmp/split.1" for  the  first
     part, and so on.  The prefix "/tmp/split." can be overridden
     using the "-p" option.

     If the -d option is specified, the  mail  will  actually  be
     delivered.   If  -v  is  specified, the verbose flag will be
     passed to sendmail.

     The -i option can be used to  make  splitmail  generate  the
     pieces  with  similar (but not identical) message-id fields,
     in a format which allows them to be easily  correlated  with
     one  another  and  which end with the suffix provided on the
     command line after -i.

     The default chunk size for spliting messages  is  250000  at
     most sites, though this is also a compile-time option.  This
     can be overriden with the -s switch, or with the environment
     variable SPLITSIZE.

     Messages smaller than the chunk size will not be turned into
     partial  messages,  but  will be written to a single file or
     delivered as a single message.

ENVIRONMENT
     SPLITSIZE overrides the default chunk size.  Setting  SPLIT-
     SIZE to, say, 4000000 will effectively ensure that your mes-
     sages are unlikely ever to be split, but it may  cause  them
     to be rejected by some mail transport software.

SEE ALSO
     mailto(1), metamail(1)

BUGS
     If the size of the input is just on the fencepost, and if it
     is  coming from a file rather than standard input, splitmail
     will sometimes estimate the number of parts wrong  and  will
     have  to  write  out  an  extra  part.  This is harmless but
     annoying.  It is especially annoying if the estimate  was  2
     but the real number was 1.

COPYRIGHT
     Copyright  (c)  1992  Bell  Communications  Research,   Inc.
     (Bellcore)

     Permission  to  use,  copy,  modify,  and  distribute   this
     material  for any purpose and without fee is hereby granted,
     provided that the above copyright notice and this permission
     notice  appear  in all copies, and that the name of Bellcore
     not be used in advertising or publicity pertaining  to  this
     material  without  the specific, prior written permission of
     an authorized representative of Bellcore.  BELLCORE MAKES NO
     REPRESENTATIONS  ABOUT  THE  ACCURACY OR SUITABILITY OF THIS
     MATERIAL FOR ANY PURPOSE.  IT IS PROVIDED "AS  IS",  WITHOUT
     ANY EXPRESS OR IMPLIED WARRANTIES.

AUTHOR
     Nathaniel S. Borenstein, Bellcore

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