All about Debian JP Admin
Bug Tracking System

mail configuration
postfix
/etc/postfix/master.cf
debbugs    unix  -       n       n       -       1       pipe flags=F. user=debbugs argv=/usr/sbin/debbugs-receive $recipient
/etc/postfix/transport
bugs.debian.or.jp	debbugs:

/usr/sbin/debbugs-receive
put mail to /var/spool/debbugs/incoming/