diff -urNad newmail.orig/newmail-0.5/debian/rules newmail/newmail-0.5/debian/rules
--- newmail.orig/newmail-0.5/debian/rules	2015-02-12 02:55:35.226805079 +0000
+++ newmail/newmail-0.5/debian/rules	2015-02-12 02:56:38.089063184 +0000
@@ -60,7 +60,7 @@
 	$(installbin) -d debian/tmp/usr/share/doc/$(package)
 	$(installdoc) debian/changelog debian/tmp/usr/share/doc/$(package)/changelog.Debian
 	$(installdoc) debian/copyright debian/tmp/usr/share/doc/$(package)
-	gzip -9f debian/tmp/usr/share/doc/$(package)/changelog.Debian
+	gzip -9nf debian/tmp/usr/share/doc/$(package)/changelog.Debian
 	#
 	$(installdoc) AUTHORS debian/tmp/usr/share/doc/$(package)
 	$(installdoc) README debian/tmp/usr/share/doc/$(package)
@@ -70,7 +70,7 @@
 	$(MAKE) prefix=debian/tmp/usr install
 	$(installbin) $(STRIP) newmail debian/tmp/usr/bin
 	#
-	gzip -9f debian/tmp/usr/share/man/man1/newmail.1
+	gzip -9nf debian/tmp/usr/share/man/man1/newmail.1
 	#
 	dpkg-shlibdeps debian/tmp/usr/bin/newmail
 	dpkg-gencontrol -isp