Prevented escape shell
Some strings will escape and break the script, inserted fixes like single quotes ( ' ' ).
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emailwiz.sh
82
emailwiz.sh
@ -67,42 +67,42 @@ 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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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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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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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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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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postconf -e "smtpd_sasl_type = dovecot"
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postconf -e "smtpd_sasl_path = private/auth"
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postconf -e 'smtpd_sasl_auth_enable = yes'
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postconf -e 'smtpd_sasl_type = dovecot'
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postconf -e 'smtpd_sasl_path = private/auth'
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# Sender and recipient restrictions
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postconf -e "smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination"
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postconf -e 'smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination'
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# NOTE: the trailing slash here, or for any directory name in the home_mailbox
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# command, is necessary as it distinguishes a maildir (which is the actual
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# directories that what we want) from a spoolfile (which is what old unix
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# boomers want and no one else).
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postconf -e "home_mailbox = Mail/Inbox/"
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postconf -e 'home_mailbox = Mail/Inbox/'
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# master.cf
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echo "Configuring Postfix's master.cf..."
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sed -i "/^\s*-o/d;/^\s*submission/d;/^\s*smtp/d" /etc/postfix/master.cf
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sed -i '/^\s*-o/d;/^\s*submission/d;/^\s*smtp/d' /etc/postfix/master.cf
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echo "smtp unix - - n - - smtp
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smtp inet n - y - - smtpd
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@ -142,7 +142,7 @@ ssl = required
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ssl_cert = <$certdir/fullchain.pem
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ssl_key = <$certdir/privkey.pem
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ssl_min_protocol = TLSv1.2
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ssl_cipher_list = EECDH+ECDSA+AESGCM:EECDH+aRSA+AESGCM:EECDH+ECDSA+SHA256:EECDH+aRSA+SHA256:EECDH+ECDSA+SHA384:EECDH+ECDSA+SHA256:EECDH+aRSA+SHA384:EDH+aRSA+AESGCM:EDH+aRSA+SHA256:EDH+aRSA:EECDH:!aNULL:!eNULL:!MEDIUM:!LOW:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS:!RC4:!SEED
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ssl_cipher_list = "'EECDH+ECDSA+AESGCM:EECDH+aRSA+AESGCM:EECDH+ECDSA+SHA256:EECDH+aRSA+SHA256:EECDH+ECDSA+SHA384:EECDH+ECDSA+SHA256:EECDH+aRSA+SHA384:EDH+aRSA+AESGCM:EDH+aRSA+SHA256:EDH+aRSA:EECDH:!aNULL:!eNULL:!MEDIUM:!LOW:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS:!RC4:!SEED'"
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ssl_prefer_server_ciphers = yes
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ssl_dh = </usr/share/dovecot/dh.pem
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# Plaintext login. This is safe and easy thanks to SSL.
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@ -215,25 +215,25 @@ plugin {
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# If using an old version of Dovecot, remove the ssl_dl line.
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case "$(dovecot --version)" in
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1|2.1*|2.2*) sed -i "/^ssl_dh/d" /etc/dovecot/dovecot.conf ;;
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1|2.1*|2.2*) sed -i '/^ssl_dh/d' /etc/dovecot/dovecot.conf ;;
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esac
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mkdir /var/lib/dovecot/sieve/
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echo "require [\"fileinto\", \"mailbox\"];
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echo 'require [\"fileinto\", \"mailbox\"];
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if header :contains \"X-Spam-Flag\" \"YES\"
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{
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fileinto \"Junk\";
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}" > /var/lib/dovecot/sieve/default.sieve
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}' > /var/lib/dovecot/sieve/default.sieve
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grep -q "^vmail:" /etc/passwd || useradd vmail
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grep -q '^vmail:' /etc/passwd || useradd vmail
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chown -R vmail:vmail /var/lib/dovecot
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sievec /var/lib/dovecot/sieve/default.sieve
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echo "Preparing user authentication..."
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echo 'Preparing user authentication...'
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grep -q nullok /etc/pam.d/dovecot ||
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echo "auth required pam_unix.so nullok
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account required pam_unix.so" >> /etc/pam.d/dovecot
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echo 'auth required pam_unix.so nullok
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account required pam_unix.so' >> /etc/pam.d/dovecot
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# OpenDKIM
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@ -246,49 +246,49 @@ account required pam_unix.so" >> /etc/pam.d/dovecot
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# without a problem.
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# Create an OpenDKIM key in the proper place with proper permissions.
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echo "Generating OpenDKIM keys..."
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echo 'Generating OpenDKIM keys...'
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mkdir -p /etc/postfix/dkim
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opendkim-genkey -D /etc/postfix/dkim/ -d "$domain" -s "$subdom"
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chgrp opendkim /etc/postfix/dkim/*
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chmod g+r /etc/postfix/dkim/*
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# Generate the OpenDKIM info:
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echo "Configuring OpenDKIM..."
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echo 'Configuring OpenDKIM...'
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grep -q "$domain" /etc/postfix/dkim/keytable 2>/dev/null ||
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echo "$subdom._domainkey.$domain $domain:$subdom:/etc/postfix/dkim/$subdom.private" >> /etc/postfix/dkim/keytable
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grep -q "$domain" /etc/postfix/dkim/signingtable 2>/dev/null ||
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echo "*@$domain $subdom._domainkey.$domain" >> /etc/postfix/dkim/signingtable
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grep -q "127.0.0.1" /etc/postfix/dkim/trustedhosts 2>/dev/null ||
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echo "127.0.0.1
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grep -q '127.0.0.1' /etc/postfix/dkim/trustedhosts 2>/dev/null ||
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echo '127.0.0.1
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10.1.0.0/16
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1.2.3.4/24" >> /etc/postfix/dkim/trustedhosts
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1.2.3.4/24' >> /etc/postfix/dkim/trustedhosts
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# ...and source it from opendkim.conf
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grep -q "^KeyTable" /etc/opendkim.conf 2>/dev/null || echo "KeyTable file:/etc/postfix/dkim/keytable
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grep -q '^KeyTable' /etc/opendkim.conf 2>/dev/null || echo 'KeyTable file:/etc/postfix/dkim/keytable
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SigningTable refile:/etc/postfix/dkim/signingtable
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InternalHosts refile:/etc/postfix/dkim/trustedhosts" >> /etc/opendkim.conf
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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 -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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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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sed -i "/^SOCKET/d" /etc/default/opendkim && echo "SOCKET=\"inet:12301@localhost\"" >> /etc/default/opendkim
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sed -i '/^SOCKET/d' /etc/default/opendkim && echo 'SOCKET=\"inet:12301@localhost\"' >> /etc/default/opendkim
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# Here we add to postconf the needed settings for working with OpenDKIM
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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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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 = $domain"
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postconf -e "milter_default_action = accept"
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postconf -e "milter_protocol = 6"
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postconf -e "smtpd_milters = inet:localhost:12301"
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postconf -e "non_smtpd_milters = inet:localhost:12301"
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postconf -e "mailbox_command = /usr/lib/dovecot/deliver"
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postconf -e 'milter_default_action = accept'
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postconf -e 'milter_protocol = 6'
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postconf -e 'smtpd_milters = inet:localhost:12301'
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postconf -e 'non_smtpd_milters = inet:localhost:12301'
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postconf -e 'mailbox_command = /usr/lib/dovecot/deliver'
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# A fix for "Opendkim won't start: can't open PID file?", as specified here: https://serverfault.com/a/847442
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/lib/opendkim/opendkim.service.generate
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@ -302,7 +302,7 @@ done
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# If ufw is used, enable the mail ports.
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pgrep ufw >/dev/null && { ufw allow 993; ufw allow 465 ; ufw allow 587; ufw allow 25 ;}
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pval="$(tr -d "\n" </etc/postfix/dkim/$subdom.txt | sed "s/k=rsa.* \"p=/k=rsa; p=/;s/\"\s*\"//;s/\"\s*).*//" | grep -o "p=.*")"
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pval="$(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; $pval"
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dmarcentry="_dmarc.$domain TXT v=DMARC1; p=reject; rua=mailto:dmarc@$domain; fo=1"
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spfentry="@ TXT v=spf1 mx a:$maildomain -all"
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