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@@ -17,22 +17,27 @@ |
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umask 0022 |
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apt-get install -y postfix postfix-pcre dovecot-imapd dovecot-pop3d dovecot-sieve opendkim opendkim-tools spamassassin spamc net-tools fail2ban bind9-host |
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domain="$(cat /etc/mailname)" |
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apt install -y postfix postfix-pcre dovecot-imapd dovecot-pop3d dovecot-sieve opendkim opendkim-tools spamassassin spamc net-tools fail2ban bind9-host |
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domain="$(< /etc/mailname || read -p 'Domain: ' domain && printf $domain)" |
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subdom=${MAIL_SUBDOM:-mail} |
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maildomain="$subdom.$domain" |
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certdir="/etc/letsencrypt/live/$maildomain" |
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read -p 'Enable IPv6 support? (Y/n) ' v6choice |
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# Preliminary record checks |
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ipv4=$(host "$domain" | grep -m1 -Eo '([0-9]+\.){3}[0-9]+') |
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[ -z "$ipv4" ] && echo "\033[0;31mPlease point your domain ("$domain") to your server's ipv4 address." && exit 1 |
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ipv6=$(host "$domain" | grep "IPv6" | awk '{print $NF}') |
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[ -z "$ipv6" ] && echo "\033[0;31mPlease point your domain ("$domain") to your server's ipv6 address." && exit 1 |
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case "$v6choice" in |
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[nN]) ;; |
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*) |
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ipv6=$(host "$domain" | grep "IPv6" | awk '{print $NF}') |
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[ -z "$ipv6" ] && { printf "\033[0;31mPlease point your domain (%s) to your server's IPv6 address.\033[0m\n" "$domain"; exit 1; } |
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;; |
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esac |
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# Open required mail ports, and 80, for Certbot. |
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for port in 80 993 465 25 587 110 995; do |
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ufw allow "$port" 2>/dev/null |
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done |
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ufw allow 80, 993, 465, 25, 587, 110, 995/tcp 2>/dev/null |
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[ ! -d "$certdir" ] && |
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possiblecert="$(certbot certificates 2>/dev/null | grep "Domains:\.* \(\*\.$domain\|$maildomain\)\(\s\|$\)" -A 2 | awk '/Certificate Path/ {print $3}' | head -n1)" && |
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@@ -213,7 +218,7 @@ service auth { |
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mode = 0660 |
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user = postfix |
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group = postfix |
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} |
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} |
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} |
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protocol lda { |
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@@ -360,7 +365,7 @@ done |
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pval="$(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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dkimentry="$subdom._domainkey.$domain TXT v=DKIM1; k=rsa; $pval" |
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dmarcentry="_dmarc.$domain TXT v=DMARC1; p=reject; rua=mailto:postmaster@$domain; fo=1" |
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spfentry="$domain TXT v=spf1 mx a:$maildomain ip4:$ipv4 ip6:$ipv6 -all" |
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spfentry="$domain TXT v=spf1 mx a:$maildomain ip4:$ipv4 $( [ "${v6choice#n}" ] && printf 'ip6:%s' "$ipv6" ) -all" |
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mxentry="$domain MX 10 $maildomain 300" |
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useradd -m -G mail postmaster |
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