I noticed that a merged message reversed all the lines. This is due to
how slack returns messages in the history() call, so let's parse replies
in two steps to keep everything chronological.
Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>
The idea is that postfix will pipe an email message into this script,
which will then post the reply to slack.
Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>