tweaks
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parent
a0f5020585
commit
029edd8476
30
emailwiz.sh
30
emailwiz.sh
@ -48,7 +48,7 @@ certdir="/etc/letsencrypt/live/$maildomain"
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Use Let's Encrypt's Certbot to get that and then rerun this script.
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You may need to set up a dummy $maildomain site in nginx or Apache for that to work." && exit
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You may need to set up a dummy $maildomain site in nginx or Apache for that to work." && exit 1
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# NOTE ON POSTCONF COMMANDS
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@ -62,18 +62,28 @@ echo "Configuring Postfix's main.cf..."
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# Change the cert/key files to the default locations of the Let's Encrypt cert/key
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postconf -e "smtpd_tls_key_file=$certdir/privkey.pem"
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postconf -e "smtpd_tls_cert_file=$certdir/fullchain.pem"
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postconf -e "smtpd_tls_security_level = may"
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postconf -e "smtpd_tls_auth_only = yes"
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postconf -e "smtp_tls_security_level = may"
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postconf -e "smtp_tls_loglevel = 1"
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postconf -e "smtp_tls_CAfile=$certdir/cert.pem"
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# Enable, but do not require TLS. Requiring it with other server would cause
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# mail delivery problems and requiring it locally would cause many other
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# issues.
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postconf -e "smtpd_tls_security_level = may"
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postconf -e "smtp_tls_security_level = may"
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# TLS required for authentication.
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postconf -e "smtpd_tls_auth_only = yes"
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# Exclude obsolete, insecure and obsolete encryption protocols.
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postconf -e "smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1"
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postconf -e "smtp_tls_mandatory_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1"
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postconf -e "smtpd_tls_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1"
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postconf -e "smtp_tls_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1"
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# Exclude suboptimal ciphers.
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postconf -e "tls_preempt_cipherlist = yes"
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postconf -e "smtpd_tls_exclude_ciphers = aNULL, LOW, EXP, MEDIUM, ADH, AECDH, MD5, DSS, ECDSA, CAMELLIA128, 3DES, CAMELLIA256, RSA+AES, eNULL"
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# Here we tell Postfix to look to Dovecot for authenticating users/passwords.
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# Dovecot will be putting an authentication socket in /var/spool/postfix/private/auth
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postconf -e "smtpd_sasl_auth_enable = yes"
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@ -116,6 +126,8 @@ spamassassin unix - n n - - pipe
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# /etc/dovecot/dovecot.conf because it's easier to manage. You can get a backup
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# of the original in /usr/share/dovecot if you want.
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mv /etc/dovecot/dovecot.conf /etc/dovecot/dovecot.backup.conf
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echo "Creating Dovecot config..."
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echo "# Dovecot config
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@ -261,7 +273,7 @@ InternalHosts refile:/etc/postfix/dkim/trustedhosts" >> /etc/opendkim.conf
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sed -i '/^#Canonicalization/s/simple/relaxed\/simple/' /etc/opendkim.conf
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sed -i '/^#Canonicalization/s/^#//' /etc/opendkim.conf
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sed -e '/Socket/s/^#*/#/' -i /etc/opendkim.conf
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sed -i '/Socket/s/^#*/#/' /etc/opendkim.conf
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grep -q "^Socket\s*inet:12301@localhost" /etc/opendkim.conf || echo "Socket inet:12301@localhost" >> /etc/opendkim.conf
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# OpenDKIM daemon settings, removing previously activated socket.
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@ -271,7 +283,7 @@ sed -i "/^SOCKET/d" /etc/default/opendkim && echo "SOCKET=\"inet:12301@localhost
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echo "Configuring Postfix with OpenDKIM settings..."
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postconf -e "smtpd_sasl_security_options = noanonymous, noplaintext"
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postconf -e "smtpd_sasl_tls_security_options = noanonymous"
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postconf -e "myhostname = $maildomain"
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postconf -e "myhostname = $domain"
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postconf -e "milter_default_action = accept"
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postconf -e "milter_protocol = 6"
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postconf -e "smtpd_milters = inet:localhost:12301"
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@ -283,8 +295,8 @@ for x in spamassassin opendkim dovecot postfix; do
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service "$x" restart && printf " ...done\\n"
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done
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service ufw disable
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service ufw stop
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# If ufw is used, enable the mail ports.
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pgrep ufw >/dev/null && { ufw allow 993; ufw allow 465 ; ufw allow 587; ufw allow 25 ;}
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pval="$(tr -d "\n" </etc/postfix/dkim/$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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