mail.sh: provide a way to pass an extra email header
commitca3fda24efe2ffb95648045dee7d7a4d50a0e9af
authorKyle J. McKay <mackyle@gmail.com>
Fri, 5 Jul 2013 17:43:05 +0000 (5 10:43 -0700)
committerKyle J. McKay <mackyle@gmail.com>
Mon, 8 Jul 2013 09:43:00 +0000 (8 02:43 -0700)
tree7ae499ae0dd0ec4fa9219b0d5adf9e6775eeddf1
parent70758769356cc99ba0121f530b77a7c06920c5b4
mail.sh: provide a way to pass an extra email header

The optional sixth argument may be an email header
to include in any outgoing email messages.  If it is
not provided no extra header is written.
taskd/mail.sh