diff -ruN opendkim-orig/Makefile opendkim/Makefile
--- opendkim-orig/Makefile	2011-07-02 13:55:27.000000000 +0200
+++ opendkim/Makefile	2011-10-30 22:11:44.000000000 +0100
@@ -25,7 +25,6 @@
 
 GNU_CONFIGURE=	yes
 USE_OPENSSL=	yes
-USE_RC_SUBR=	milter-opendkim
 USE_LDCONFIG=	yes
 
 MAN5=		opendkim.conf.5
@@ -35,8 +34,9 @@
 
 SUB_FILES=	pkg-message
 
-OPTIONS= \
+OPTIONS=	\
 	ARLIB		"Asynchronous thread-safe DNS library"	On  \
+	FILTER		"opendkim filter, requires libmilter/Sendmail"	On \
 	GNUTLS		"Use GnuTLS instead of OpenSSL"		Off \
 	LUA		"Describe filter policy with lua"	Off \
 	MEMCACHED	"Use memcached as a data set"		Off \
@@ -50,10 +50,13 @@
 
 .include <bsd.port.pre.mk>
 
+.if defined(WITH_FILTER) && !defined(WITHOUT_FILTER)
+USE_RC_SUBR=	milter-opendkim
 WITHOUT_MILTER_CFLAGS=	yes
 WITHOUT_MILTER_LDFLAGS=	yes
 .include "${PORTSDIR}/mail/sendmail/bsd.milter.mk"
 CONFIGURE_ARGS+=	--with-milter=${MILTERBASE}
+.endif
 
 .if defined(WITH_GNUTLS)
 LIB_DEPENDS+=	gnutls.47:${PORTSDIR}/security/gnutls
diff -ruN opendkim-orig/Makefile.features opendkim/Makefile.features
--- opendkim-orig/Makefile.features	2011-07-02 13:55:27.000000000 +0200
+++ opendkim/Makefile.features	2011-10-30 21:52:29.000000000 +0100
@@ -11,6 +11,10 @@
 CONFIGURE_ARGS+=	--enable-adsp_lists
 .endif
 
+.if !defined(WITH_FILTER) && defined(WITHOUT_FILTER)
+CONFIGURE_ARGS+=    --disable-filter
+.endif
+
 .if defined(WITH_ALLSYMBOLS) && !defined(WITHOUT_ALLSYMBOLS)
 CONFIGURE_ARGS+=	--enable-allsymbols
 .endif