mail/msmtp-scripts: Add queuing mta wrapper for msmtp

This commit adds the msmtp-scripts package from SourceForge, which
is a wrapper around msmtp that provides queueing, syslog or file logging,
and a basic SMTP (no auth) server.

Signed-off-by: Daniel Dickinson <lede@daniel.thecshore.com>

mail/msmtp-scripts/files/msmtpq-ng-mta.init

@@ -0,0 +1,17 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2006-2016 OpenWrt.org
+
+START=90
+
+boot() {
+	[ ! -d /var/spool/msmtp ] && {
+		mkdir -m 0770 -p /var/spool/msmtp
+		chown msmtp:msmtp /var/spool/msmtp
+	}
+
+	[ ! -d /var/lock/msmtp ] && {
+		mkdir -m 0770 -p /var/lock/msmtp
+		chown msmtp:msmtp /var/lock/msmtp
+	}
+}
+

mail/msmtp-scripts/files/msmtpq-ng.rc

@@ -0,0 +1,18 @@
+#Q=~/msmtp.queue
+#LOG=~/log/.msmtp.queue.log
+#MAXLOGLEVEL=7
+#MSMTP_LOCKDIR=/var/lock
+EMAIL_CONN_TEST=p
+EMAIL_CONN_TEST_SITE=www.lede-project.org
+#EMAIL_CONN_TEST_IP=8.8.8.8
+#MSMTP_UMASK=077
+#MSMTP_LOG_UMASK=077
+#MSMTP_QUEUE_QUIET=false
+#MSMTP_IGNORE_NO_RECIPIENTS=false
+#MSMTP_QUEUE_ONLY=false
+#MSMTP_SEND_DELAY=0
+#MSMTP_MAXIMUM_QUEUE_LIFETIME=345600	# Four days
+#MSMTP=msmtp
+#MSMTPQ_NG_QUEUE=msmtpq-ng-queue
+#MSMTP_HOLD_SMTP_MAIL=true
+#MSMTP_HOLD_CLI_MAIL=false