Index: head/mail/opensmtpd-extras/Makefile
===================================================================
--- head/mail/opensmtpd-extras/Makefile	(revision 413513)
+++ head/mail/opensmtpd-extras/Makefile	(revision 413514)
@@ -1,75 +1,80 @@
 # Created by: gahr
 # $FreeBSD$
 
 PORTNAME=	opensmtpd-extras
 PORTVERSION=	201602042118
 PORTREVISION?=	4
 CATEGORIES+=	mail
 MASTER_SITES=	http://www.opensmtpd.org/archives/
 
 MAINTAINER?=	gahr@FreeBSD.org
 COMMENT?=	Addons for OpenSMTPD
 
 LICENSE?=	ISCL
 
 LIB_DEPENDS+=	libevent.so:devel/libevent2
 RUN_DEPENDS+=	${LOCALBASE}/sbin/smtpctl:mail/opensmtpd
 
 USES+=		autoreconf libtool pkgconfig
 USE_OPENSSL=	yes
 WITH_OPENSSL_PORT=	yes
 GNU_CONFIGURE=	yes
 
+# NB: Please *DO NOT* add the following; they are NOT for end-users:
+# filter-monkey, filter-stub, filter-trace, filter-void
+# queue-null, queue-stub
+# scheduler-stub
+# table-stub
 .if empty(SLAVE_PORT)
 OPTIONS_GROUP=		FILTER TABLE
 OPTIONS_GROUP_FILTER=	CLAMAV DKIM DNSBL PAUSE REGEX SPAMASSASSIN
 OPTIONS_GROUP_TABLE=	LDAP MYSQL PASSWD PGSQL PYTHON REDIS SMAP SQLITE
 OPTIONS_DEFAULT=	${OPTIONS_GROUP_FILTER} ${OPTIONS_GROUP_TABLE}
 
 # Filters
 CLAMAV_DESC=		Check messages with ClamAV
 DKIM_DESC=		Sign messages with DKIM
 DNSBL_DESC=		Check messages against DNSBLs
 PAUSE_DESC=		Pause incoming messages to reduce spam
 SPAMASSASSIN_DESC=	Check messages with SpamAssassin
 # Tables
 PASSWD_DESC=		passwd(5) table support
 SMAP_DESC=		Socketmap protocol support
 
 OPTIONS_SUB=	yes
 
 PLIST_FILES=	man/man3/filter_api.3.gz
 INSTALL_DIR=	${LOCALBASE}/libexec/opensmtpd
 
 NO_ARCH=	yes
 
 #
 # Filters
 #
 CLAMAV_RUN_DEPENDS=		${INSTALL_DIR}/filter-clamav:mail/opensmtpd-extras-filter-clamav
 DKIM_RUN_DEPENDS=		${INSTALL_DIR}/filter-dkim-signer:mail/opensmtpd-extras-filter-dkim
 DNSBL_RUN_DEPENDS=		${INSTALL_DIR}/filter-dnsbl:mail/opensmtpd-extras-filter-dnsbl
 PAUSE_RUN_DEPENDS=		${INSTALL_DIR}/filter-pause:mail/opensmtpd-extras-filter-pause
 REGEX_RUN_DEPENDS=		${INSTALL_DIR}/filter-regex:mail/opensmtpd-extras-filter-regex
 SPAMASSASSIN_RUN_DEPENDS=	${INSTALL_DIR}/filter-spamassassin:mail/opensmtpd-extras-filter-spamassassin
 
 #
 # Tables
 #
 MYSQL_RUN_DEPENDS=	${INSTALL_DIR}/table-mysql:mail/opensmtpd-extras-table-mysql
 PASSWD_RUN_DEPENDS=	${INSTALL_DIR}/table-passwd:mail/opensmtpd-extras-table-passwd
 PGSQL_RUN_DEPENDS=	${INSTALL_DIR}/table-postgres:mail/opensmtpd-extras-table-postgresql
 PYTHON_RUN_DEPENDS=	${INSTALL_DIR}/table-python:mail/opensmtpd-extras-table-python
 REDIS_RUN_DEPENDS=	${INSTALL_DIR}/table-redis:mail/opensmtpd-extras-table-redis
 SMAP_RUN_DEPENDS=	${INSTALL_DIR}/table-socketmap:mail/opensmtpd-extras-table-socketmap
 SQLITE_RUN_DEPENDS=	${INSTALL_DIR}/table-sqlite:mail/opensmtpd-extras-table-sqlite
 .else
 
 # Only install this for the opensmtpd-extras master port
 pre-patch:
 	@${REINPLACE_CMD} -e '/man_MANS.*filter_api.3/s/^/#/' \
 		${WRKSRC}/extras/wip/filters/Makefile.am
 
 .endif
 
 .include <bsd.port.mk>