Thelie/Postfix-hostname-to-reverse-DNS
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Added the actual script.

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The_Lie 2021-03-24 01:11:11 +01:00
parent 972a067c3d
commit 080de8eb45
1 changed files with 13 additions and 0 deletions
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set_myhostname.sh Normal file
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#!/bin/sh
IP=$(curl ifconfig.me)
curl_retval=$?
host_answer=$(host "$IP")
rev_dns="${host_answer##* }"
rev_dns="${rev_dns%.}"
echo "Rev. DNS is: $rev_dns"
sed -e "s/^myhostname.*/myhostname = $rev_dns ses/" /etc/postfix/main.cf
echo $curl_retval