What we really want to do is look for the first line beginning with ">"
and discard everything after it (and the line immediately before it,
just to be safe)
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>