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