44 lines
1.4 KiB
Bash
44 lines
1.4 KiB
Bash
|
#!/bin/sh
|
||
|
|
|
||
|
|
domain="$1"
|
||
|
|
[ -z "$1" ] && exit
|
||
|
|
|
||
|
|
domain="$1"
|
||
|
|
subdom="mail"
|
||
|
|
|
||
|
|
# Add the domain to the valid postfix addresses.
|
||
|
|
grep -q "^mydestination.*$domain" /etc/postfix/main.cf ||
|
||
|
|
sed -i "s/^mydestination.*/&, $domain/" /etc/postfix/main.cf
|
||
|
|
|
||
|
|
# Create DKIM for new domain.
|
||
|
|
mkdir -p "/etc/postfix/dkim/$domain"
|
||
|
|
opendkim-genkey -D "/etc/postfix/dkim/$domain" -d "$domain" -s "$subdom"
|
||
|
|
chgrp -R opendkim /etc/postfix/dkim/*
|
||
|
|
chmod -R g+r /etc/postfix/dkim/*
|
||
|
|
|
||
|
|
# Add entries to keytable and signing table.
|
||
|
|
echo "$subdom._domainkey.$domain $domain:$subdom:/etc/postfix/dkim/$domain/$subdom.private" >> /etc/postfix/dkim/keytable
|
||
|
|
echo "*@$domain $subdom._domainkey.$domain" >> /etc/postfix/dkim/signingtable
|
||
|
|
|
||
|
|
systemctl reload opendkim postfix
|
||
|
|
|
||
|
|
# Print out DKIM TXT entry.
|
||
|
|
pval="$(tr -d '\n' <"/etc/postfix/dkim/$domain/$subdom.txt" | sed "s/k=rsa.* \"p=/k=rsa; p=/;s/\"\s*\"//;s/\"\s*).*//" | grep -o 'p=.*')"
|
||
|
|
|
||
|
|
dkimentry="$subdom._domainkey.$domain TXT v=DKIM1; k=rsa; $pval"
|
||
|
|
dmarcentry="_dmarc.$domain TXT v=DMARC1; p=reject; rua=mailto:dmarc@$domain; fo=1"
|
||
|
|
spfentry="$domain TXT v=spf1 mx a:$maildomain -all"
|
||
|
|
mxentry="$domain MX 10 $maildomain 300"
|
||
|
|
|
||
|
|
echo "$dkimentry
|
||
|
|
$dmarcentry
|
||
|
|
$spfentry
|
||
|
|
$mxentry" >> "$HOME/dns_emailwizard_added"
|
||
|
|
|
||
|
|
echo "=== ADD THE FOLLOWING TO YOUR DNS TXT RECORDS ==="
|
||
|
|
echo "$dkimentry
|
||
|
|
$dmarcentry
|
||
|
|
$spfentry
|
||
|
|
$mxentry"
|
||
|
|
echo "They have also been stored in ~/dns_emailwizard_added"
|