Initial checkin

checkMail.sh

@@ -0,0 +1,48 @@
+#!/bin/bash
+
+#set -x 
+
+testhost=webthink.net
+testuser=webmaster@${testhost}
+logfile=~/mailqueryfail.log
+
+mail=$1
+hostPart=${mail/*@/}
+
+if [ hostPart != "localhost" ] 
+then host=$(dig +short $hostPart MX | sort -n | head -n1 | cut -d " " -f 2)
+if [ -z ${host} ]
+then echo -e "{status:'err', error:'Unknown mail host'}"
+exit 1
+fi
+else
+host=localhost
+fi
+
+result=$((cat << EOE
+set timeout 60
+spawn nc $host 25
+expect "220" {
+send "EHLO ${testhost}\r" 
+expect "250 " {
+send "MAIL FROM:<${testuser}>\r"
+expect "250" {
+send "RCPT TO:<${mail}>\r"
+expect "250" {
+send "QUIT\r"
+} -re \[\n\r\]5.*$ {
+exit 1 1
+close
+}
+}}}
+EOE
+) | expect -f - | grep -e '^5')
+
+if [ -z "${result}" ]
+then echo "OK : " $mail >> $logfile
+	echo -e "{status:'ok'}"
+	exit 0
+else echo $mail ":" $result	>> $logfile
+	echo -e "{status:'err', error:'Unknown User'}"
+	exit 1
+fi