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#!/bin/bash
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###########################################################################################
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## ALCASAR MAIL SERVICE CONFIGURATION
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##
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## Script by K@M3L & T3RRY (LaPlateform), joss_p & Rexy
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## This script configure PostFix
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## 0 : no email autoregistration
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## 1 : PostFix is the SMTP server
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## 2 : PostFix relay to an other SMTP server
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## 2 : PostFix use an external email address (with SASL)
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###########################################################################################
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# ****** Paths *******
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SED="/bin/sed -i"
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CONF_FILE="/usr/local/etc/alcasar.conf"
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POSTFIX_CONF_FILE="/etc/postfix/main.cf"
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LOCAL_IPTABLE_FILE="/usr/local/etc/alcasar-iptables-local.sh"
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SASLPATH="/etc/postfix/sasl"
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smtpIP="0.0.0.0/0"
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usage="Usage: alcasar-mail_install.sh -h|-0|-1|-2|-3"
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nb_args=$#
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if [ $nb_args -eq 0 ] # apply alcasar.conf
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then
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mail=`grep ^MAIL= $CONF_FILE|cut -d"=" -f2`
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if [ "$mail" = "off" ]; then
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TYPE_MAIL=0
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else
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TYPE_MAIL=`grep ^MAIL_TYPE= $CONF_FILE|cut -d"=" -f2`
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smtpPort=`grep ^MAIL_SMTP_PORT= $CONF_FILE|cut -d"=" -f2`
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smtpIP=`grep ^MAIL_SMTP_IP= $CONF_FILE|cut -d"=" -f2`
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mailAddr=`grep ^MAIL_ADDR= $CONF_FILE|cut -d"=" -f2`
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mailMdp=`grep ^MAIL_PASSWORD= $CONF_FILE|cut -d"=" -f2`
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adminMail=`grep ^MAIL_ADMIN= $CONF_FILE|cut -d"=" -f2`
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whiteDomain=`grep ^MAIL_WHTEDOMAIN= $CONF_FILE|cut -d"=" -f2`
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domainName=`grep ^DOMAIN= $CONF_FILE|cut -d"=" -f2`
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hostName=`grep ^HOSTNAME= $CONF_FILE|cut -d"=" -f2`
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fi
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else # apply args
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if [ "$1" = "-h" ] || [ "$1" = "--h" ]; then
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echo $usage
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exit 0
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fi
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while getopts ":h:s:p:m:o:a:w:0123" option
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do
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case $option in
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0)
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TYPE_MAIL=0
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;;
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1)
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TYPE_MAIL=1
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;;
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2)
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TYPE_MAIL=2
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;;
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3)
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TYPE_MAIL=3
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;;
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p)
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smtpPort=$OPTARG
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;;
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s)
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smtpIP=$OPTARG
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;;
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m)
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mailAddr=$OPTARG
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;;
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o)
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mailMdp=$OPTARG
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;;
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a)
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adminMail=$OPTARG
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;;
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w)
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whiteDomain=$OPTARG
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;;
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:)
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echo "L'option $OPTARG requiert un argument"
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exit 1
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;;
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\?)
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echo "$OPTARG : option invalide"
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exit 1
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;;
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esac
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done
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fi
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if [[ $TYPE_MAIL -eq 0 ]]; then # disable mail service
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$SED "s/^MAIL=.*/MAIL=off/" $CONF_FILE
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$SED "s/^MAIL_TYPE=.*/MAIL_TYPE=/" $CONF_FILE
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$SED "s/^MAIL_SMTP_IP=.*/MAIL_SMTP_IP=/" $CONF_FILE
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$SED "s/^MAIL_SMTP_PORT=.*/MAIL_SMTP_PORT=/" $CONF_FILE
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$SED "s/^MAIL_ADDR=.*/MAIL_ADDR=/" $CONF_FILE
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$SED "s/^MAIL_PASSWORD=.*/MAIL_PASSWORD=/" $CONF_FILE
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$SED "s/^MAIL_WHITEDOMAIN=.*/MAIL_WHITEDOMAIN=/" $CONF_FILE
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$SED "s/^MAIL_ADMIN=.*/MAIL_ADMIN=/" $CONF_FILE
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$SED "/^SMTP_IP=/ s/^/#/" $LOCAL_IPTABLE_FILE
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$SED "/^SMTP_PORT=/ s/^/#/" $LOCAL_IPTABLE_FILE
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$SED "s/^\$IPTABLES -A OUTPUT -p tcp --dport \$SMTP_PORT.*/#\$IPTABLES -A OUTPUT -p tcp --dport \$SMTP_PORT -d \$SMTP_IP -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT/" $LOCAL_IPTABLE_FILE
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$SED "s/^\$IPTABLES -A INPUT -p tcp --sport \$SMTP_PORT.*/#\$IPTABLES -A INPUT -p tcp --sport \$SMTP_PORT -s \$SMTP_IP -m conntrack --ctstate ESTABLISHED -j ACCEPT/" $LOCAL_IPTABLE_FILE
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$SED "s/^relayhost =.*/relayhost =/" $POSTFIX_CONF_FILE
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$SED "s/^smtp_tls_security_level =.*/smtp_tls_security_level = may/g" $POSTFIX_CONF_FILE
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$SED "s/^smtp_tls_wrappermode =.*/smtp_tls_wrappermode = no/g" $POSTFIX_CONF_FILE
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$SED "s/^myhostname =.*/myhostname = $hostName.$domainName/g" $POSTFIX_CONF_FILE
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[ -e ${SASLPATH}/sasl_passwd ] && rm -f ${SASLPATH}/sasl_passwd
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elif [[ $TYPE_MAIL -eq 1 ]]; then # Enable mail service (act as smtp server)
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$SED "s/^MAIL=.*/MAIL=on/" $CONF_FILE
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$SED "s/^MAIL_TYPE=.*/MAIL_TYPE=1/" $CONF_FILE
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$SED "s/^MAIL_SMTP_IP=.*/MAIL_SMTP_IP=/" $CONF_FILE
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$SED "s/^MAIL_SMTP_PORT=.*/MAIL_SMTP_PORT=$smtpPort/" $CONF_FILE
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$SED "s/^MAIL_ADDR=.*/MAIL_ADDR=/" $CONF_FILE
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$SED "s/^MAIL_PASSWORD=.*/MAIL_PASSWORD=/" $CONF_FILE
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$SED "s/^MAIL_WHITEDOMAIN=.*/MAIL_WHITEDOMAIN=$whiteDomain/" $CONF_FILE
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$SED "s/^MAIL_ADMIN=.*/MAIL_ADMIN=$adminMail/" $CONF_FILE
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$SED "/^SMTP_IP=/ s/^/#/" $LOCAL_IPTABLE_FILE
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$SED "s/^#SMTP_PORT=.*/SMTP_PORT=$smtpPort/" $LOCAL_IPTABLE_FILE
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$SED "s/^#\$IPTABLES -A OUTPUT -p tcp --dport \$SMTP_PORT.*/\$IPTABLES -A OUTPUT -p tcp --dport \$SMTP_PORT -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT/" $LOCAL_IPTABLE_FILE
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$SED "s/^#\$IPTABLES -A INPUT -p tcp --sport \$SMTP_PORT.*/\$IPTABLES -A INPUT -p tcp --sport \$SMTP_PORT -m conntrack --ctstate ESTABLISHED -j ACCEPT/" $LOCAL_IPTABLE_FILE
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$SED "s/^relayhost =.*/relayhost =/" $POSTFIX_CONF_FILE
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$SED "s/^smtp_tls_security_level =.*/smtp_tls_security_level = may/g" $POSTFIX_CONF_FILE
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$SED "s/^smtp_tls_wrappermode =.*/smtp_tls_wrappermode = no/g" $POSTFIX_CONF_FILE
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$SED "s/^myhostname =.*/myhostname = $hostName.$domainName/g" $POSTFIX_CONF_FILE
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[ -e ${SASLPATH}/sasl_passwd ] && rm -f ${SASLPATH}/sasl_passwd
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elif [[ $TYPE_MAIL -eq 2 ]]; then # Enable mail service (relaying to an extern mail server)
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$SED "s/^MAIL=.*/MAIL=on/" $CONF_FILE
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$SED "s/^MAIL_TYPE=.*/MAIL_TYPE=2/" $CONF_FILE
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$SED "s/^MAIL_SMTP_IP=.*/MAIL_SMTP_IP=$smtpIP/" $CONF_FILE
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$SED "s/^MAIL_SMTP_PORT=.*/MAIL_SMTP_PORT=$smtpPort/" $CONF_FILE
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$SED "s/^MAIL_ADDR=.*/MAIL_ADDR=/" $CONF_FILE
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$SED "s/^MAIL_PASSWORD=.*/MAIL_PASSWORD=/" $CONF_FILE
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$SED "s/^MAIL_WHITEDOMAIN=.*/MAIL_WHITEDOMAIN=$whiteDomain/" $CONF_FILE
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$SED "s/^MAIL_ADMIN=.*/MAIL_ADMIN=$adminMail/" $CONF_FILE
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$SED "s/^#SMTP_IP=.*/SMTP_IP=$smtpIP/" $LOCAL_IPTABLE_FILE
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$SED "s/^#SMTP_PORT=.*/SMTP_PORT=$smtpPort/" $LOCAL_IPTABLE_FILE
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$SED "s/^#\$IPTABLES -A OUTPUT -p tcp --dport \$SMTP_PORT.*/\$IPTABLES -A OUTPUT -p tcp --dport \$SMTP_PORT -d \$SMTP_IP -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT/" $LOCAL_IPTABLE_FILE
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$SED "s/^#\$IPTABLES -A INPUT -p tcp --sport \$SMTP_PORT.*/\$IPTABLES -A INPUT -p tcp --sport \$SMTP_PORT -s \$SMTP_IP -m conntrack --ctstate ESTABLISHED -j ACCEPT/" $LOCAL_IPTABLE_FILE
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$SED "s/^relayhost =.*/relayhost = $smtpIP:$smtpPort/g" $POSTFIX_CONF_FILE
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$SED "s/^smtp_tls_security_level =.*/smtp_tls_security_level = may/g" $POSTFIX_CONF_FILE
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$SED "s/^smtp_tls_wrappermode =.*/smtp_tls_wrappermode = no/g" $POSTFIX_CONF_FILE
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$SED "s/^myhostname =.*/myhostname = $hostName.$domainName/g" $POSTFIX_CONF_FILE
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[ -e ${SASLPATH}/sasl_passwd ] && rm -f ${SASLPATH}/sasl_passwd
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elif [[ $TYPE_MAIL -eq 3 ]]; then # Enable mail service (using an email address)
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$SED "s/^MAIL=.*/MAIL=on/" $CONF_FILE
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$SED "s/^MAIL_TYPE=.*/MAIL_TYPE=3/" $CONF_FILE
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$SED "s/^MAIL_SMTP_IP=.*/MAIL_SMTP_IP=$smtpIP/" $CONF_FILE
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$SED "s/^MAIL_SMTP_PORT=.*/MAIL_SMTP_PORT=$smtpPort/" $CONF_FILE
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$SED "s/^MAIL_ADDR=.*/MAIL_ADDR=$mailAddr/" $CONF_FILE
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$SED "s/^MAIL_PASSWORD=.*/MAIL_PASSWORD=$mailMdp/" $CONF_FILE
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$SED "s/^MAIL_WHITEDOMAIN=.*/MAIL_WHITEDOMAIN=$whiteDomain/" $CONF_FILE
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$SED "s/^MAIL_ADMIN=.*/MAIL_ADMIN=$adminMail/" $CONF_FILE
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$SED "s/^#SMTP_IP=.*/SMTP_IP=$smtpIP/" $LOCAL_IPTABLE_FILE
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$SED "s/^#SMTP_PORT=.*/SMTP_PORT=$smtpPort/" $LOCAL_IPTABLE_FILE
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$SED "s/^#\$IPTABLES -A OUTPUT -p tcp --dport \$SMTP_PORT.*/\$IPTABLES -A OUTPUT -p tcp --dport \$SMTP_PORT -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT/" $LOCAL_IPTABLE_FILE
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$SED "s/^#\$IPTABLES -A INPUT -p tcp --sport \$SMTP_PORT.*/\$IPTABLES -A INPUT -p tcp --sport \$SMTP_PORT -m conntrack --ctstate ESTABLISHED -j ACCEPT/" $LOCAL_IPTABLE_FILE
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$SED "s/^relayhost =.*/relayhost = $smtpIP:$smtpPort/g" $POSTFIX_CONF_FILE
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$SED "s/^smtp_tls_security_level =.*/smtp_tls_security_level = encrypt/g" $POSTFIX_CONF_FILE
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$SED "s/^smtp_tls_wrappermode =.*/smtp_tls_wrappermode = yes/g" $POSTFIX_CONF_FILE
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if [ "$domainName" = "localdomain" ]; then # use a real domain name to avoid extern smtp server reject
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$SED "s/^myhostname =.*/myhostname = alcasar.net/g" $POSTFIX_CONF_FILE
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else
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$SED "s/^myhostname =.*/myhostname = $hostName.$domainName/g" $POSTFIX_CONF_FILE
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fi
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[ -d ${SASLPATH} ] || mkdir ${SASLPATH}
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echo "[${smtpIP}]:${smtpPort} ${mailAddr}:${mailMdp}" > ${SASLPATH}/sasl_passwd
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postmap ${SASLPATH}/sasl_passwd
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chmod -R 644 ${SASLPATH}
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chown root:root ${SASLPATH}/sasl_passwd*
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chmod 0600 ${SASLPATH}/sasl_passwd*
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else
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echo "Erreur ! Aucun type de messagerie sélectionné !"
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exit 0
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fi
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/usr/local/bin/alcasar-iptables.sh
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systemctl restart postfix.service
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exit 0
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