UNIX for Advanced & Expert Users

export MAILTO="recipient@domain.com"
export CONTENT="./html/body.html"
export SUBJECT="TEST EMAIL: TESTING HTML"

BOUNDARY='=== This is the boundary between parts of the message. ==='

{
print -  "From: Someone <$MAILFROM>"
print -  "To: Someone <${MAILTO}>"
print -  'Subject:' $SUBJECT
print -  'MIME-Version: 1.0'
print -  'Content-Type: MULTIPART/MIXED; '
print -  '    BOUNDARY='\"$BOUNDARY\"
print -
print -  '        This message is in MIME format.  But if you can see this,'
print -  "        you aren't using a MIME aware mail program.  You shouldn't "
print -  '        have too many problems because this message is entirely in'
print -  '        ASCII and is designed to be somewhat readable with old '
print -  '        mail software.'
print -
print -  "--${BOUNDARY}"
print -  'Content-Type: TEXT/PLAIN; charset=US-ASCII'
print -
cat $CONTENT
print -
print -
print -  "--${BOUNDARY}"
print -  'Content-Type: TEXT/PLAIN; charset=US-ASCII; name='${CONTENT}
print -  'Content-Disposition: attachment;   filename='${CONTENT}
print -
cat ${CONTENT}
print -
print -  "--${BOUNDARY}--"
} | /usr/sbin/sendmail ${MAILTO}