diff -urNad netqmail.orig/netqmail-1.06/debian/implicit netqmail/netqmail-1.06/debian/implicit
--- netqmail.orig/netqmail-1.06/debian/implicit	2015-02-04 00:37:35.599797231 +0000
+++ netqmail/netqmail-1.06/debian/implicit	2015-02-04 00:43:53.076595413 +0000
@@ -35,7 +35,7 @@
 	    debian/$*/usr/share/doc/$*/changelog'
 	@test -s debian/$*/usr/share/doc/$*/changelog || \
 	  sh -cx 'rm -f debian/$*/usr/share/doc/$*/changelog'
-	@gzip -9 debian/$*/usr/share/doc/$*/changelog*
+	@gzip -9n debian/$*/usr/share/doc/$*/changelog*
 %.deb-docs-docs: %.deb-docs-base
 	@for i in `cat debian/$*.docs 2>/dev/null || :`; do \
 	  if test -d $$i; then \
@@ -54,7 +54,7 @@
 	@if test -r debian/$*.NEWS.Debian; then \
 	  sh -cx 'install -m0644 debian/$*.NEWS.Debian \
 	    debian/$*/usr/share/doc/$*/NEWS.Debian && \
-	      gzip -9 debian/$*/usr/share/doc/$*/NEWS.Debian'; \
+	      gzip -9n debian/$*/usr/share/doc/$*/NEWS.Debian'; \
 	fi
 %.deb-docs-examples: %.deb-docs-docs
 	@rm -rf debian/$*/usr/share/doc/$*/examples
diff -urNad netqmail.orig/netqmail-1.06/debian/rules netqmail/netqmail-1.06/debian/rules
--- netqmail.orig/netqmail-1.06/debian/rules	2015-02-04 00:37:35.595797057 +0000
+++ netqmail/netqmail-1.06/debian/rules	2015-02-04 00:44:00.176911385 +0000
@@ -91,7 +91,7 @@
 	  mv '$(DIR)'/usr/share/man/man$${i##*.}/$$i \
 	    '$(DIR)'/usr/share/man/man$${i##*.}/$${i}qmail || exit 1; \
 	done
-	gzip -9 '$(DIR)'/usr/share/man/man?/*
+	gzip -9n '$(DIR)'/usr/share/man/man?/*
 	# changelog
 	rm -f changelog && ln -s CHANGES changelog
 install-indep: deb-checkdir deb-checkuid