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       mime-tool  -  a simple program to construct MIME messages with attached


       mime [ -dDvV ] [ -S subject ] [ -F from-address ] [ -T to-address  ]  [
       -C  carbon-copy address ] [ -P prolog-text ] [ -E epiplogue-text ] [ -B
       boundry ] [ -O overall content-type ] { [ -78abiquxopm ] [ -t  content-
       type ] filename }


       The mime program constructs MIME messages with attached files. The user
       can specify the content type (application/octet-stream, text/plain or a
       user specified type), content type encoding (7bit, 8bit, binary, base64
       and auto-detect), content disposition  (attached  or  inline)  and  the
       content  boundry  string.   The user can also specify some mail related
       options: subject, from-address, to-addres, carbon-copy addres,  prolog-
       text and epilog-text.

       The  output  of the MIME-tool program can be sent directly to the mail,
       mailx or sendmail commands (or any other command that  accepts  RFC-822
       formatted messages).

       NOTE:  Specifying  7-bit encoding for an attachment that contains 8-bit
       data will convert any data bytes whose  high-bit  is  set  to  question


       -7     7-bit ASCII encoding

       -8     8-bit ASCII encoding

       -a     application/octet-stream content type

       -b     binary encoding

       -d     low detail debugging

       -D     high detail debugging

       -s     write a subpart

       -i     disposition: inline (instead of attachment)

       -q     quoted-printable encoding

       -c content-type
              explicit content type

       -t     text/plain content type

       -o     omit disposition line

       -u     unknown encoding, auto-detect

       -v     verbose messages

       -V     very verbose messages

       -x     base64 encoding

       -p     copy existing MIME part

       -o     omit content-disposition

       -m     omit content-transfer-encoding

       -n filename
              override the filename in the disposition header

       -N     don’t add a filename parameter in the disposition header

       -0     no-op


       Using MIME-tool to write a mail message to a file:

              mime  -S  "test  message" -F -T
              file1 > test.msg

       Using MIME-tool with the mail command:

              mime  -S   "test   message"   -F   file1   |   mail

       Using MIME-tool with the mailx command:

              mime   -S   "test   message"   -F   file1  |  mailx

       Using MIME-tool with the sendmail command:

              mime  -S  "test  message"  -F   file1   |   sendmail


       This is version 1.5.topal3 from June 2009.


       Most of the header values are not properly quoted or folded, so long or
       complex values for these headers may cause problems. Specifically,  the
       from-address,  to-address, carbon-copy-address and content-type headers
       may not be properly quoted or folded.

       For some  reason,  certain  e-mail  clients  (espcially  from  a  large
       software   company  located  in  Redmond,  Washington)  don’t  seem  to
       recognize file attachments as attachments, but instead displays them as
       inline  attachments.   (maybe  this  isn’t  MIME-tool’s fault, but I’ve
       gotten a few e-mails about it, so I’m mentioning it here)


       mime is written by Jeffrey Dutky <>

       Oscar Esteban spotted  an  off-by-one  error  in  the  base64  encoding

       Sergey Lapin spotted a bug in the filename header construction.

       Chris Hemphill noticed that the documentation (this manual page and the
       README file) didn’t include any examples of how  to  call  the  program
       with common mail commands.

       Some additional fixes and additions by Phil Brooke to support Topal.


       The  original  MIME-tool  package can be downloaded from my web page at

       This modified version is distributed with Topal: