+# Only tested with the /usr/sbin/sendmail which ships with postfix
+# *** Why not call spamc directly in this script? ***
+# I route this through my MTA so it gets queued properly.
+# incrond has no concurrency limits and will fork a new process on
+# every single event, which sucks with rename storms when a client
+# commits folder changes. The sendmail executable exits quickly and
+# queues up the message for training. This shoudl also ensure fairness
+# to newly arriving mail. Instead of installing/configuring
+# another queueing system, I reuse the queue in the MTA.
+# See scripts/dc-dlvr for corresponding trainspam/trainham handlers.