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@@ -1,34 +1,38 @@ |
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#!/bin/sh |
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domain="$1" |
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[ -z "$1" ] && exit |
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new_domain="$1" |
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mail_service_domain="$2" |
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# Check if both domains are provided |
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[ -z "$new_domain" ] || [ -z "$mail_service_domain" ] && { echo "Usage: $0 new_domain mail_service_domain"; exit 1; } |
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domain="$1" |
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subdom="mail" |
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maildomain="$subdom.$mail_service_domain" |
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# Add the domain to the valid postfix addresses. |
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grep -q "^mydestination.*$domain" /etc/postfix/main.cf || |
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sed -i "s/^mydestination.*/&, $domain/" /etc/postfix/main.cf |
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# Add the new domain to the valid postfix addresses. |
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if ! grep -q "^mydestination.*$new_domain" /etc/postfix/main.cf; then |
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sed -i "s/^mydestination.*/&, $new_domain/" /etc/postfix/main.cf |
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fi |
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# Create DKIM for new domain. |
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mkdir -p "/etc/postfix/dkim/$domain" |
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opendkim-genkey -D "/etc/postfix/dkim/$domain" -d "$domain" -s "$subdom" |
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# Create DKIM for the new domain. |
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mkdir -p "/etc/postfix/dkim/$new_domain" |
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opendkim-genkey -D "/etc/postfix/dkim/$new_domain" -d "$new_domain" -s "$subdom" |
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chgrp -R opendkim /etc/postfix/dkim/* |
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chmod -R g+r /etc/postfix/dkim/* |
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# Add entries to keytable and signing table. |
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echo "$subdom._domainkey.$domain $domain:$subdom:/etc/postfix/dkim/$domain/$subdom.private" >> /etc/postfix/dkim/keytable |
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echo "*@$domain $subdom._domainkey.$domain" >> /etc/postfix/dkim/signingtable |
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echo "$subdom._domainkey.$new_domain $new_domain:$subdom:/etc/postfix/dkim/$new_domain/$subdom.private" >> /etc/postfix/dkim/keytable |
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echo "*@$new_domain $subdom._domainkey.$new_domain" >> /etc/postfix/dkim/signingtable |
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systemctl reload opendkim postfix |
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# Print out DKIM TXT entry. |
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pval="$(tr -d '\n' <"/etc/postfix/dkim/$domain/$subdom.txt" | sed "s/k=rsa.* \"p=/k=rsa; p=/;s/\"\s*\"//;s/\"\s*).*//" | grep -o 'p=.*')" |
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pval="$(tr -d '\n' <"/etc/postfix/dkim/$new_domain/$subdom.txt" | sed sed "s/k=rsa.* \"p=/k=rsa; p=/;s/\"\s*\"//;s/\"\s*).*//" | grep -o 'p=.*')" |
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dkimentry="$subdom._domainkey.$domain TXT v=DKIM1; k=rsa; $pval" |
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dmarcentry="_dmarc.$domain TXT v=DMARC1; p=reject; rua=mailto:dmarc@$domain; fo=1" |
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spfentry="$domain TXT v=spf1 mx a:$maildomain -all" |
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mxentry="$domain MX 10 $maildomain 300" |
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dkimentry="$subdom._domainkey.$new_domain TXT v=DKIM1; k=rsa; $pval" |
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dmarcentry="_dmarc.$new_domain TXT v=DMARC1; p=reject; rua=mailto:dmarc@$new_domain; fo=1" |
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spfentry="$new_domain TXT v=spf1 mx a:$maildomain -all" |
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mxentry="$new_domain MX 10 $maildomain" |
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echo "$dkimentry |
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$dmarcentry |
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@@ -40,4 +44,4 @@ echo "$dkimentry |
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$dmarcentry |
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$spfentry |
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$mxentry" |
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echo "They have also been stored in ~/dns_emailwizard_added" |
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echo "They have also been stored in $HOME/dns_emailwizard_added" |