Module name: src
Changes by: firstname.lastname@example.org 2008/12/17 11:47:38
usr.sbin/smtpd : queue.c runner.c smtpd.c smtpd.h
Introduce /purge, where all msgs scheduled for deletion are put by
queue, and removed from disk by runner.
On startup, clean /incoming by moving msgs within it to /purge.