$NetBSD$

For setuid files its recommended to not set any write permissions

--- Makefile.orig	2016-02-23 20:01:56.895785904 +0000
+++ Makefile
@@ -50,8 +50,8 @@ clean:
 install: all
 	${INSTALL} -d ${DESTDIR}${SBIN}
 	${INSTALL} -d ${DESTDIR}${MAN}/man8 ${DESTDIR}${LIBEXEC}
-	${INSTALL} -m 2755 -o root -g mail dma ${DESTDIR}${SBIN}
-	${INSTALL} -m 4754 -o root -g mail dma-mbox-create ${DESTDIR}${LIBEXEC}
+	${INSTALL} -m 2555 -o root -g mail dma ${DESTDIR}${SBIN}
+	${INSTALL} -m 4554 -o root -g mail dma-mbox-create ${DESTDIR}${LIBEXEC}
 	${INSTALL} -m 0644 dma.8 ${DESTDIR}${MAN}/man8/
 
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