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Add nullmailer, a sendmail compatible MTA which only does one thing:
send mail to a SMTP or QMQP smart relay.

NOTICE: This port is usable now, but not yet dumb-safe. Please pay
        attention on its pkg-message.

mail/Makefile

@@ -80,6 +80,7 @@
     SUBDIR += namg
     SUBDIR += newmail
     SUBDIR += nmh
+    SUBDIR += nullmailer
     SUBDIR += p5-Email-Find
     SUBDIR += p5-Email-Valid
     SUBDIR += p5-IMAP-Admin

mail/nullmailer/Makefile

@@ -0,0 +1,38 @@
+# Ports collection makefile for:  nullmailer
+# Date created:			  Tue Jan 30 2001
+# Whom:				  clive
+#
+# $FreeBSD$
+#
+
+PORTNAME=	nullmailer
+# PORTVERSION=	1.00RC5
+PORTVERSION=	1.00r5
+CATEGORIES=	mail
+MASTER_SITES=	http://www.em.ca/~bruceg/nullmailer/archive/%SUBDIR%/
+# MASTER_SITE_SUBDIR=	${PORTVERSION}
+MASTER_SITE_SUBDIR=	1.00RC5
+DISTNAME=	${PORTNAME}-1.00RC5
+
+MAINTAINER=	clive@FreeBSD.org
+
+HAS_CONFIGURE=	yes
+IS_INTERACTIVE=	yes
+NO_PACKAGE=	yes
+
+MAN1=	nullmailer-inject.1 sendmail.1
+MAN7=	nullmailer.7
+MAN8=	nullmailer-queue.8 nullmailer-send.8
+
+pre-install:
+	@PKG_PREFIX="${PREFIX}" ${SH} ${PKGINSTALL} ${PKGNAME} PRE-INSTALL
+
+do-install:
+	@cd ${WRKSRC} && make install && make install-root
+
+post-install:
+	@${INSTALL} -c files/nullmail.sh ${PREFIX}/etc/rc.d/
+	@${INSTALL} -c files/remotes.sample ${PREFIX}/etc/nullmailer/
+	@${CAT} ${PKGMESSAGE} | ${SED} -e 's,%%PREFIX%%,${PREFIX},'
+
+.include <bsd.port.mk>

mail/nullmailer/distinfo

@@ -0,0 +1 @@
+MD5 (nullmailer-1.00RC5.tar.gz) = 61041ff5b1e41f9280d63a04c3383144

mail/nullmailer/files/nullmail.sh

@@ -0,0 +1,46 @@
+#!/bin/sh
+
+if ! PREFIX=$(expr $0 : "\(/.*\)/etc/rc\.d/$(basename $0)\$"); then
+    echo "$0: Cannot determine the PREFIX" >&2
+    exit 1
+fi
+
+NULLMAILUSER=nullmail
+
+PIDFILE=/var/run/nullmailer.pid
+AWK=/usr/bin/awk
+CAT=/bin/cat
+GREP=/usr/bin/grep
+PS=/bin/ps
+RM=/bin/rm
+LOGGER=/usr/bin/logger
+KILL=/bin/kill
+KILLALL=/usr/bin/killall
+
+PRIORITY=local5.info
+TAG=${NULLMAILUSER}
+
+case "$1" in
+start)
+	if [ ! -r ${PIDFILE} ] ; then
+		[ -x ${PREFIX}/sbin/nullmailer-send ] && su -l ${NULLMAILUSER} -c "${PREFIX}/sbin/nullmailer-send | ${LOGGER} -p ${PRIORITY} -t ${TAG} 2>&1 &" && echo -n ' nullmailer'
+		JUNK=`${PS} -ax`
+		PID=`${PS} -ax | ${GREP} -e nullmailer-send$ | ${AWK} '{print $1}'`
+		echo $PID > ${PIDFILE}
+	else
+		echo 'nullmailer already running'
+	fi
+	;;
+stop)
+	if [ -r ${PIDFILE} ] ; then
+#		${KILL} -15 `${CAT} ${PIDFILE}` > /dev/null && echo -n ' nullmailer'
+		${KILLALL} -15 nullmailer-send > /dev/null && echo -n ' nullmailer'
+		${RM} -f ${PIDFILE}
+	fi
+	;;
+*)
+	echo "Usage: `basename $0` {start|stop}" >&2
+	;;
+esac
+
+exit 0

mail/nullmailer/files/remotes.sample

@@ -0,0 +1 @@
+localhost smtp

mail/nullmailer/pkg-comment

@@ -0,0 +1 @@
+MTA for hosts which relay to a fixed set of smart relays

mail/nullmailer/pkg-descr

@@ -0,0 +1,3 @@
+This is nullmailer, a sendmail/qmail/etc replacement MTA for hosts which
+relay to a fixed set of smart relays.  It is designed to be simple to
+configure, secure, and easily extendable.

mail/nullmailer/pkg-install

@@ -0,0 +1,63 @@
+#!/bin/sh
+
+user=nullmail
+group=nullmail
+
+ask() {
+    local question default answer
+
+    question=$1
+    default=$2
+    if [ -z "${PACKAGE_BUILDING}" ]; then
+        read -p "${question} [${default}]? " answer
+    fi
+    if [ x${answer} = x ]; then
+        answer=${default}
+    fi
+    echo ${answer}
+}
+
+yesno() {
+    local dflt question answer
+
+    question=$1
+    dflt=$2
+    while :; do
+        answer=$(ask "${question}" "${dflt}")
+        case "${answer}" in
+        [Yy]*)          return 0;;
+        [Nn]*)          return 1;;
+        esac
+        echo "Please answer yes or no."
+    done
+}
+
+if [ x"$2" = xPRE-INSTALL ]; then
+    if /usr/sbin/pw groupshow "${group}" 2>/dev/null; then
+        echo "You already have a group \"${group}\", so I will use it."
+    else
+        echo "You need a group \"${group}\"."
+        if yesno "Would you like me to create it" y; then
+            /usr/sbin/pw groupadd ${group} -g 522 -h - || exit
+            echo "Done."
+        else
+            echo "Please create it, and try again."
+            exit 1
+        fi
+    fi
+
+    if /usr/sbin/pw user show "${user}" 2>/dev/null; then
+        echo "You already have a user \"${user}\", so I will use it."
+    else
+        echo "You need a user \"${user}\"."
+        if yesno "Would you like me to create it" y; then
+            /usr/sbin/pw useradd ${user} -u 522 -g ${group} -h - -d ${PREFIX}/var/nullmailer \
+                -s /bin/sh -c "Nullmailer Mail System" || exit
+            echo "Done."
+        else
+            echo "Please create it, and try again."
+            exit 1
+        fi
+    fi
+
+fi

mail/nullmailer/pkg-message

@@ -0,0 +1,15 @@
+==================================================================
+1) Add the following line into your /etc/syslog.conf and 
+   killall -1 syslogd:
+local5.info					/var/log/nullmail
+
+NOTICE: This entry must be before 
+*.*						/var/log/all.log
+
+2) Touch /var/log/nullmail as root.
+
+3) Add this line into your /etc/newsyslog.conf:
+/var/log/nullmail                       644  7     *    @T00  Z
+
+4) Edit %%PREFIX%%/etc/nullmailer/remotes
+==================================================================

mail/nullmailer/pkg-plist

@@ -0,0 +1,16 @@
+libexec/nullmailer/smtp
+libexec/nullmailer/qmqp
+bin/mailq
+bin/nullmailer-inject
+sbin/nullmailer-queue
+sbin/nullmailer-send
+sbin/sendmail
+etc/nullmailer/remotes.sample
+@dirrm var/nullmailer/queue
+@dirrm var/nullmailer/tmp
+@unexec rm -f %D/var/nullmailer/trigger
+@dirrm etc/nullmailer
+@dirrm var/nullmailer
+@unexec echo "Warning: If you will *NOT* use nullmailer anymore, please remove"
+@unexec echo "         1) nullmail user and its group."
+@unexec echo "         2) its relative entry in /etc/syslog.conf and /etc/newsyslog.conf"