+}
+
+# discard bounces from dumb mailing lists on prometheuslabor
+:0:
+* ^From: MAILER-DAEMON@
+* ^To: root@mail.prometheuslabor.com
+* ^Subject:.*Undelivered
+/dev/null
+
+# Discard bounces from lists.acbnrates.com
+:0:
+* ^To: mailman-bounces@lists.acbnrates.com
+* ^Subject:.*Undelivered
+/dev/null
+
+# discard AQMD mail
+:0:
+* ^From: usc.aqmd@usc.edu
+* ^Subject:.*USC AQMD Survey
+/dev/null
+
+# discard no spam digest
+:0:
+* ^From: .*spam-control@illinois.edu
+* ^Subject:.*End User Digest: 0 New Messages
+/dev/null
+
+# stuff for postmaster at my machines
+:0:
+* ^To: postmaster@
+$POSTMASTER