Handle my mail queue

scripts/prefix/bin/msmtp-enqueue

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+#!/bin/sh
+
+QUEUEDIR=$HOME/.msmtpqueue
+
+# Set secure permissions on created directories and files
+umask 077
+
+# Change to queue directory (create it if necessary)
+if [ ! -d "$QUEUEDIR" ]; then
+	mkdir -p "$QUEUEDIR" || exit 1
+fi
+cd "$QUEUEDIR" || exit 1
+
+# Create new unique filenames of the form
+# MAILFILE:  ccyy-mm-dd-hh.mm.ss[-x].mail
+# MSMTPFILE: ccyy-mm-dd-hh.mm.ss[-x].msmtp
+# where x is a consecutive number only appended if you send more than one 
+# mail per second.
+BASE="`date +%Y-%m-%d-%H.%M.%S`"
+if [ -f "$BASE.mail" -o -f "$BASE.msmtp" ]; then
+	TMP="$BASE"
+	i=1
+	while [ -f "$TMP-$i.mail" -o -f "$TMP-$i.msmtp" ]; do
+		i=`expr $i + 1`
+	done
+	BASE="$BASE-$i"
+fi
+MAILFILE="$BASE.mail"
+MSMTPFILE="$BASE.msmtp"
+
+# Write command line to $MSMTPFILE
+echo "$@" > "$MSMTPFILE" || exit 1
+
+# Write the mail to $MAILFILE
+cat > "$MAILFILE" || exit 1
+
+# If we are online, run the queue immediately.
+# Replace the test with something suitable for your site.
+#ping -c 1 -w 2 SOME-IP-ADDRESS > /dev/null 
+#if [ $? -eq 0 ]; then
+#	msmtp-runqueue.sh > /dev/null &
+#fi
+
+exit 0

scripts/prefix/bin/msmtp-listqueue

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+#!/bin/sh
+
+QUEUEDIR=$HOME/.msmtpqueue
+
+for i in $QUEUEDIR/*.mail; do
+  egrep -s --colour -h '(^From:|^To:|^Subject:)' "$i" || echo "No mail in queue";
+  echo " "
+done

scripts/prefix/bin/msmtp-runqueue

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+#!/bin/sh
+
+QUEUEDIR="$HOME/.msmtpqueue"
+LOCKFILE="$QUEUEDIR/.lock"
+MAXWAIT=120
+
+OPTIONS=$@
+
+# wait for a lock that another instance has set
+WAIT=0
+while [ -e "$LOCKFILE" -a "$WAIT" -lt "$MAXWAIT" ]; do
+	sleep 1
+	WAIT="`expr "$WAIT" + 1`"
+done
+if [ -e "$LOCKFILE" ]; then
+	echo "Cannot use $QUEUEDIR: waited $MAXWAIT seconds for"
+	echo "lockfile $LOCKFILE to vanish, giving up."
+	echo "If you are sure that no other instance of this script is"
+	echo "running, then delete the lock file."
+	exit 1
+fi
+
+# change into $QUEUEDIR 
+cd "$QUEUEDIR" || exit 1
+
+# check for empty queuedir
+if [ "`echo *.mail`" = '*.mail' ]; then
+	echo "No mails in $QUEUEDIR"
+	exit 0
+fi
+
+# lock the $QUEUEDIR
+touch "$LOCKFILE" || exit 1
+
+# process all mails
+for MAILFILE in *.mail; do
+	MSMTPFILE="`echo $MAILFILE | sed -e 's/mail/msmtp/'`"
+	echo "*** Sending $MAILFILE to `sed -e 's/^.*-- \(.*$\)/\1/' $MSMTPFILE` ..."
+	if [ ! -f "$MSMTPFILE" ]; then
+		echo "No corresponding file $MSMTPFILE found"
+		echo "FAILURE"
+		continue
+	fi
+	msmtp $OPTIONS `cat "$MSMTPFILE"` < "$MAILFILE"
+	if [ $? -eq 0 ]; then
+		rm "$MAILFILE" "$MSMTPFILE"
+		echo "$MAILFILE sent successfully"
+	else
+		echo "FAILURE"
+	fi
+done
+
+# remove the lock
+rm -f "$LOCKFILE"
+
+exit 0