#!/bin/bash

###############################
# @author: Bram Prieshof      #
# @author: Branco van de Waal #
###############################

##----------##
#    Menu    #
##----------##
sed -i -e 's/magenta/blue/g' /etc/newt/palette
if [ "$1" != "-l" ]; then
  echo "Normal mode"
  PKGM="debconf-apt-progress -- apt"
  OUTPUT='/dev/null'
  IMODE=n
fi

if [ "$1" = "-l" ]; then
  echo "Legacy mode";
  PKGM="apt"
  OUTPUT='/dev/tty'
  IMODE=l
fi
PKGA="add-apt-repository"
PKGI="${PKGM} install -y"

if [ $IMODE = n ]; then
if (whiptail --title "Ubuntu 18.04 Mail Server" --yesno "                  Do you want to install a mail server?" 11 78)
    then
        echo "" >/dev/null
    else
    	whiptail --title "Credits" --msgbox "                   Made by: your local Wizard and God" 11 78
        clear
        exit
fi
echo "" >/dev/null
password=$(whiptail --nocancel --passwordbox "Please enter your password (should contain at least 2 digits and 6 characters)" 11 82 --title "Config" 3>&1 1>&2 2>&3)
domain=$(whiptail --nocancel --inputbox "                     Enter the domain without www or mail." 11 82 --title "Config" 3>&1 1>&2 2>&3)
email=$(whiptail --nocancel --inputbox "                        Enter the administrator e-mail" 11 82 --title "Config" 3>&1 1>&2 2>&3)
uploadsize=$(whiptail --nocancel --title "Config" --radiolist "                      Choose the maximum attachment size:" 11 82 4 "10" "MB                                                             " on "25" "MB" off "50" "MB" off "100" "MB" off 3>&1 1>&2 2>&3)
elif [ $IMODE = l ]; then
echo "" >/dev/null
echo "Ubuntu 18.04 Mailserver installation script."
echo "Domain without www or e-mail:"
read domain
echo "Please enter your password (should contain at least 2 digits and 6 characters:"
read password
echo "Administrator E-mail:"
read email
echo "Enter the maximum attachment size in MB (without MB)"
read uploadsize
fi

##---------------##
#    Functions    #
##---------------##
msg () {
if [ $IMODE = n ]; then
TERM=ansi whiptail --title "Info" --infobox "$1" 8 52
fi
if [ $IMODE = l ]; then
echo "$1"
fi
}

##-----------------##
#    Static-Vars    #
##-----------------##
phpver=7.3
domonly=${domain}
domain=mail.${domain}
branch=beta
dhparam=1024
PKGA="add-apt-repository"
PKGI="${PKGM} install -y"
db_pass=$(date +%s|sha256sum|base64|head -c 32)
debconf-set-selections <<< "postfix postfix/mailname string $(hostname -f)"
debconf-set-selections <<< "postfix postfix/main_mailer_type string 'Internet Site'"

##----------------##
#    Pre-Config    #
##----------------##
msg "                Pre-Configuring"
sleep 2
sed -i '/Port 22/c\Port 4242' /etc/ssh/sshd_config
hostnamectl set-hostname $domain > $OUTPUT 2>&1
timedatectl set-timezone Europe/Amsterdam > $OUTPUT 2>&1
hostname --fqdn > /etc/mailname
mkdir -p /etc/nginx
mkdir -p /var/www/"$domain"/html
chmod -R 755 /var/www
#if free | awk '/^Swap:/ {exit !$2}'; then
#    echo "swap enabled" >/dev/null
#else
#    fallocate -l 3G /swapfile
#    chmod 600 /swapfile
#    mkswap /swapfile
#    swapon /swapfile
#    echo '/swapfile swap swap defaults 0 0' >> /etc/fstab
#fi
#sed -i 's/#/vm.swappiness=40/g' /etc/sysctl.conf

##----------------------##
#    Pre-Requirements    #
##----------------------##
msg "                Buzzy like a bee"
$PKGM update
$PKGI software-properties-common sudo
$PKGA universe -y > $OUTPUT 2>&1
$PKGA ppa:ondrej/php -y > $OUTPUT 2>&1
$PKGA ppa:certbot/certbot -y > $OUTPUT 2>&1
wget -q -t7 -O- https://repo.dovecot.org/DOVECOT-REPO-GPG | sudo apt-key add -
echo "deb https://repo.dovecot.org/ce-2.3-latest/ubuntu/$(lsb_release -cs) $(lsb_release -cs) main" | sudo tee -a /etc/apt/sources.list.d/dovecot.list > $OUTPUT 2>&1
$PKGM update
$PKGM upgrade -y

##-----------------------------##
#    Installing Requirements    #
##-----------------------------##
$PKGI nginx postfix postfix-mysql php${phpver} php${phpver}-curl php${phpver}-dom php${phpver}-common php${phpver}-imap php${phpver}-zip php${phpver}-fpm php${phpver}-cli php${phpver}-json php${phpver}-mysql php${phpver}-opcache php${phpver}-mbstring php${phpver}-readline libc-client2007e mlock gnupg2 curl dovecot-imapd dovecot-lmtpd dovecot-pop3d dovecot-mysql dovecot-sieve dovecot-managesieved spamassassin spamc razor pyzor clamav clamav-daemon clamsmtp libclamunrar7 clamdscan amavisd-new zip lrzip liblz4-tool lhasa arj unzip bzip2 nomarch cpio lzop cabextract arc apt-listchanges libauthen-sasl-perl libdbd-mysql-perl libdbi-perl libmail-dkim-perl ripole p7zip p7zip-full p7zip-rar rpm unrar unrar-free altermime libsnmp-perl libnet-ldap-perl libnet-ph-perl libnet-snpp-perl libnet-telnet-perl unzip unattended-upgrades fail2ban bc python-certbot-nginx postfix-policyd-spf-python

##-------------##
#    Debloat    #
##-------------##
$PKGM remove --purge lxcfs lxd lxd-client geoip-database snapd -y
$PKGM autoremove -y

##-----------------------##
#    HTML Folder Perms    #
##-----------------------##
msg "          Configuring HTML permissions"
sleep 2
chown -R www-data:www-data /var/www/"$domain"/html

##-----------##
#    NGINX    #
##-----------##
#$PKGI nginx
msg "               Configuring Nginx"
sleep 2
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Web/raw/branch/master/config/nginx/nginx-default.conf -O /etc/nginx/nginx.conf
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/stable/config/nginx/PostfixAdmin-site-unconfigured -O /etc/nginx/sites-available/"$domain"
sed -i -e 's/DOMAINname/'$domain'/' -e 's/PHPver/'$phpver'/' /etc/nginx/sites-available/"$domain"
ln -s /etc/nginx/sites-available/"$domain" /etc/nginx/sites-enabled/

##-------------------------------##
#    NGINX Single core bug fix    #
##-------------------------------##
msg  "             Applying Nginx bug-fix"
sleep 2
mkdir /etc/systemd/system/nginx.service.d
printf "[Service]\nExecStartPost=/bin/sleep 0.1\n" > /etc/systemd/system/nginx.service.d/override.conf
systemctl daemon-reload

##-----------------------##
#    MySQL Installation   #
##-----------------------##
msg "                Installing MySQL"
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-MySQL/raw/branch/master/mysql-8.0.sh -O /tmp/mysql-8.0.sh
source /tmp/mysql-8.0.sh

##------------------------------##
#    MySQL_Secure_Installation   #
##------------------------------##
msg "                 Securing MySQL"
sleep 2
mysql -u root -p"$password" -e "DELETE FROM mysql.user WHERE User='root' AND Host NOT IN ('localhost', '127.0.0.1', '::1')" > $OUTPUT 2>&1
mysql -u root -p"$password" -e "DELETE FROM mysql.user WHERE User=''" > $OUTPUT 2>&1
mysql -u root -p"$password" -e "DELETE FROM mysql.db WHERE Db='test' OR Db='test\_%'" > $OUTPUT 2>&1
mysql -u root -p"$password" -e "SELECT user,authentication_string,plugin,host FROM mysql.user;" > $OUTPUT 2>&1
mysql -u root -p"$password" -e "ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '"$password"';" > $OUTPUT 2>&1
mysql -u root -p"$password" -e "FLUSH PRIVILEGES;" > $OUTPUT 2>&1

##-----------------------------##
#    MySQL Database Creation    #
##-----------------------------##
msg "            Creating MySQL Databases"
sleep 2
mysql -u root -p"$password" -e "CREATE DATABASE postfixadmin;" > $OUTPUT 2>&1
mysql -u root -p"$password" -e "CREATE USER '"postfixadmin"'@'localhost' IDENTIFIED BY '"$db_pass"';" > $OUTPUT 2>&1
mysql -u root -p"$password" -e "GRANT ALL ON "postfixadmin".* TO "postfixadmin"@'localhost';" > $OUTPUT 2>&1
mysql -u root -p"$password" -e "FLUSH PRIVILEGES;" > $OUTPUT 2>&1

##------------------##
#    PostfixADMIN    #
##------------------##
msg "           Configuring PostfixAdmin"
sleep 2
mkdir -p /var/www/"$domain"/html/postfixadmin/templates_c
wget -q -t7 https://git.ictmaatwerk.com/downloads/pfa/postfixadmin-3.1-dark.tar.gz -O /tmp/postfixadmin.tar.gz
tar -xf /tmp/postfixadmin.tar.gz -C /var/www/"$domain"/html/postfixadmin --strip-components=1
chmod 755 -R /var/www/"$domain"/html/postfixadmin/templates_c
chown -R www-data: /var/www/"$domain"/html/
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/postfixadmin/config.local.php -O /var/www/$domain/html/postfixadmin/config.local.php
sed -i -e 's/PASSword/'$db_pass'/' -e 's/dOmaINnamE/'$domonly'/' /var/www/"$domain"/html/postfixadmin/config.local.php
sed -i 's/Welcome to your new account./Welkom bij je nieuwe mailbox!/g' /var/www/"$domain"/html/postfixadmin/config.inc.php       
sudo -u www-data php /var/www/"$domain"/html/postfixadmin/upgrade.php > $OUTPUT 2>&1
bash /var/www/"$domain"/html/postfixadmin/scripts/postfixadmin-cli admin add superadmin@"$domonly" --superadmin 1 --active 1 --password "$password" --password2 "$password" > $OUTPUT 2>&1
groupadd -g 5000 vmail > $OUTPUT 2>&1
useradd -u 5000 -g vmail -s /usr/sbin/nologin -d /var/mail/vmail -m vmail > $OUTPUT 2>&1

##--------------------##
#    Certbot (Auto)    #
##--------------------##
msg "              Configuring Certbot"
#sleep 2
#certbot --nginx -n -d "$domain" -m "$email" --hsts --redirect --no-eff-email --agree-tos
#echo "certbot --nginx -n -d $domain -m $email --hsts --redirect --no-eff-email --agree-tos" > ~/certbotactivate.sh
#sed -i 's/ssl ipv6only/ssl http2 ipv6only/g' /etc/nginx/sites-available/"$domain"
#sed -i 's/listen 443 ssl/listen 443 ssl http2/g' /etc/nginx/sites-available/"$domain"
#sed -i 's#include /etc/letsencrypt/options-ssl-nginx.conf;#ssl_ciphers EECDH+CHACHA20:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECDH+3DES:RSA+3DES:!MD5;#g' /etc/nginx/sites-available/"$domain"
#openssl dhparam -out /etc/ssl/certs/dhparam.pem "$dhparam" > $OUTPUT 2>&1
#chmod 755 -R /etc/ssl/certs/dhparam.pem

##----------------------##
#    Certbot (Manual)    #
##----------------------##
msg "         Configuring Certbot (manual)"
sleep 2
mkdir -p /etc/letsencrypt/live/$domain/
sed -i 's/ssl ipv6only/ssl http2 ipv6only/g' /etc/nginx/sites-available/"$domain"
sed -i 's/listen 443 ssl/listen 443 ssl http2/g' /etc/nginx/sites-available/"$domain"
sed -i 's#include /etc/letsencrypt/options-ssl-nginx.conf;#ssl_ciphers EECDH+CHACHA20:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECDH+3DES:RSA+3DES:!MD5;#g' /etc/nginx/sites-available/"$domain"
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/lets-encrypt/cert.pem -O /etc/letsencrypt/live/$domain/cert.pem
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/lets-encrypt/chain.pem -O /etc/letsencrypt/live/$domain/chain.pem
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/lets-encrypt/fullchain.pem -O /etc/letsencrypt/live/$domain/fullchain.pem
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/lets-encrypt/privkey.pem -O /etc/letsencrypt/live/$domain/privkey.pem
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/nginx/site-enabled -O /etc/nginx/sites-available/mail.ictdownwerk.com
openssl dhparam -out /etc/ssl/certs/dhparam.pem "$dhparam" > $OUTPUT 2>&1
openssl dhparam -out /etc/letsencrypt/ssl-dhparams.pem "$dhparam" > $OUTPUT 2>&1
chmod 755 -R /etc/letsencrypt/ssl-dhparams.pem
chmod 755 -R /etc/ssl/certs/dhparam.pem
chmod 755 -R /etc/letsencrypt/live/$domain/cert.pem
chmod 755 -R /etc/letsencrypt/live/$domain/chain.pem
chmod 755 -R /etc/letsencrypt/live/$domain/fullchain.pem
chmod 755 -R /etc/letsencrypt/live/$domain/privkey.pem
chmod 644 -R /etc/nginx/sites-available/mail.ictdownwerk.com

##---------------------------##
#    Postfix Configuration    #
##---------------------------##
msg "              Configuring Postfix"
sleep 2
mkdir -p /etc/postfix/sql
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/postfix/mysql_virtual_alias_domain_catchall_maps.cf -O /etc/postfix/sql/mysql_virtual_alias_domain_catchall_maps.cf
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/postfix/mysql_virtual_alias_domain_mailbox_maps.cf -O /etc/postfix/sql/mysql_virtual_alias_domain_mailbox_maps.cf
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/postfix/mysql_virtual_alias_domain_maps.cf -O /etc/postfix/sql/mysql_virtual_alias_domain_maps.cf
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/postfix/mysql_virtual_alias_maps.cf -O /etc/postfix/sql/mysql_virtual_alias_maps.cf
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/postfix/mysql_virtual_domains_maps.cf -O /etc/postfix/sql/mysql_virtual_domains_maps.cf
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/postfix/mysql_virtual_mailbox_maps.cf -O /etc/postfix/sql/mysql_virtual_mailbox_maps.cf
sed -i 's/PASSword/'$db_pass'/g' /etc/postfix/sql/mysql_virtual_domains_maps.cf /etc/postfix/sql/mysql_virtual_alias_maps.cf /etc/postfix/sql/mysql_virtual_alias_domain_maps.cf /etc/postfix/sql/mysql_virtual_alias_domain_catchall_maps.cf /etc/postfix/sql/mysql_virtual_mailbox_maps.cf /etc/postfix/sql/mysql_virtual_alias_domain_mailbox_maps.cf
echo "#MySQL Database" >> /etc/postfix/main.cf
postconf -e "virtual_mailbox_domains = mysql:/etc/postfix/sql/mysql_virtual_domains_maps.cf"
postconf -e "virtual_alias_maps = mysql:/etc/postfix/sql/mysql_virtual_alias_maps.cf, mysql:/etc/postfix/sql/mysql_virtual_alias_domain_maps.cf, mysql:/etc/postfix/sql/mysql_virtual_alias_domain_catchall_maps.cf"
postconf -e "virtual_mailbox_maps = mysql:/etc/postfix/sql/mysql_virtual_mailbox_maps.cf, mysql:/etc/postfix/sql/mysql_virtual_alias_domain_mailbox_maps.cf"
echo "#Use Dovecot's LMTP service as the default mail delivery" >> /etc/postfix/main.cf
postconf -e "virtual_transport = lmtp:unix:private/dovecot-lmtp"
echo "#TLS and SSL certificate" >> /etc/postfix/main.cf
postconf -e "smtp_tls_security_level = may"
postconf -e "smtpd_tls_security_level = may"
postconf -e "smtp_tls_note_starttls_offer = yes"
postconf -e "smtpd_tls_loglevel = 1" 
postconf -e "smtpd_tls_received_header = yes"
postconf -e "smtpd_tls_cert_file = /etc/letsencrypt/live/"$domain"/fullchain.pem"
postconf -e "smtpd_tls_key_file = /etc/letsencrypt/live/"$domain"/privkey.pem"
echo "#SMTP Settings, hand off authentication to Dovecot" >> /etc/postfix/main.cf
postconf -e "smtpd_sasl_type = dovecot"
postconf -e "smtpd_sasl_path = private/auth"
postconf -e "smtpd_sasl_local_domain ="
postconf -e "smtpd_sasl_security_options = noanonymous"
postconf -e "broken_sasl_auth_clients = yes"
postconf -e "smtpd_sasl_auth_enable = yes"
postconf -e "smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination,check_policy_service unix:private/policyd-spf"
sed -i 's/mynetworks = /#mynetworks = /g' /etc/postfix/main.cf
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/$branch/config/postfix/master.cf -O /etc/postfix/master.cf

##---------------------------##
#    Dovecot Configuration    #
##---------------------------##
msg "              Configuring Dovecot"
sleep 2
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/dovecot/15-mailboxes.conf -O /etc/dovecot/conf.d/15-mailboxes.conf
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/dovecot/10-mail.conf -O /etc/dovecot/conf.d/10-mail.conf
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/dovecot/10-auth.conf -O /etc/dovecot/conf.d/10-auth.conf
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/dovecot/10-master.conf -O /etc/dovecot/conf.d/10-master.conf
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/dovecot/10-ssl.conf -O /etc/dovecot/conf.d/10-ssl.conf
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/dovecot/20-lmtp.conf -O /etc/dovecot/conf.d/20-lmtp.conf
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/dovecot/20-imap.conf -O /etc/dovecot/conf.d/20-imap.conf
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/dovecot/dovecot-dict-sql.conf.ext -O /etc/dovecot/dovecot-dict-sql.conf.ext
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/dovecot/dovecot-sql.conf.ext -O /etc/dovecot/dovecot-sql.conf.ext
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/dovecot/quota-warning.sh -O /usr/local/bin/quota-warning.sh
sed -i 's/PASSword/'$db_pass'/g' /etc/dovecot/dovecot-sql.conf.ext /etc/dovecot/dovecot-dict-sql.conf.ext
sed -i -e 's/DOMAINname/'$domain'/' -e 's/#ssl_cert  = /ssl_cert  = /' -e 's/#ssl_key  = /ssl_key  = /' -e 's/#ssl_dh  = /ssl_dh  = /' /etc/dovecot/conf.d/10-ssl.conf
chmod +x /usr/local/bin/quota-warning.sh

##--------------------------------------##
#    Dovecot move Spam to Spam Folder    #
##--------------------------------------##
msg "            Configuring Spam Folder"
sleep 2
mkdir -p /etc/dovecot/sieve/
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/$branch/config/dovecot/15-lda.conf -O /etc/dovecot/conf.d/15-lda.conf
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/dovecot/90-sieve.conf -O /etc/dovecot/conf.d/90-sieve.conf
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/sieve/default.sieve -O /etc/dovecot/sieve/default.sieve
chown -R vmail:vmail /etc/dovecot/sieve/
chgrp dovecot /etc/dovecot/conf.d/90-sieve.conf
sievec /etc/dovecot/sieve/default.sieve > $OUTPUT 2>&1
chgrp dovecot /etc/dovecot/sieve/default.svbin > $OUTPUT 2>&1

##------------------##
#    Spamassassin    #
##------------------##
msg "            Configuring Spamassassin"
sleep 2
sed -i -e 's/# report_safe 1/report_safe 0/' -e 's/# required_score 5.0/required_score 5.0/' -e 's/endif # Mail::SpamAssassin::Plugin::Shortcircuit//' /etc/spamassassin/local.cf
echo "" >> /etc/spamassassin/local.cf
echo "skip_rbl_checks 0" >> /etc/spamassassin/local.cf
echo "" >> /etc/spamassassin/local.cf
echo "#pyzor" >> /etc/spamassassin/local.cf
echo "use_pyzor 1" >> /etc/spamassassin/local.cf
echo "pyzor_path /usr/bin/pyzor" >> /etc/spamassassin/local.cf
echo "pyzor_add_header 1" >> /etc/spamassassin/local.cf
echo "" >> /etc/spamassassin/local.cf
echo "#razor" >> /etc/spamassassin/local.cf
echo "use_razor2 1" >> /etc/spamassassin/local.cf
echo "razor_config /etc/razor/razor-agent.conf" >> /etc/spamassassin/local.cf
echo "" >> /etc/spamassassin/local.cf
echo "#bayes" >> /etc/spamassassin/local.cf
echo "use_bayes 1" >> /etc/spamassassin/local.cf
echo "use_bayes_rules 1" >> /etc/spamassassin/local.cf
echo "bayes_auto_learn 1" >> /etc/spamassassin/local.cf
echo "" >> /etc/spamassassin/local.cf
echo "endif # Mail::SpamAssassin::Plugin::Shortcircuit" >> /etc/spamassassin/local.cf

##------------##
#    ClamAV    #
##------------##
msg "               Configuring ClamAV"
sleep 2
mkdir -p /var/log/clamav
mkdir -p /var/lib/clamav
chown -R clamav:clamav /var/log/clamav
chown -R clamav:clamav /var/lib/clamav
chmod 775 -R /var/lib/clamav/* /var/lib/clamav

##------------##
#    Amavis    #
##------------##
msg "               Configuring Amavis"
sleep 2
sed -i -e 's/@bypass/'@bypass'/' -e 's/   /    /' /etc/amavis/conf.d/15-content_filter_mode
adduser clamav amavis > $OUTPUT 2>&1
sed -i 's/clamd.conf/'clamd.conf'/g' /etc/clamav/freshclam.conf
echo "#Pipe incoming mail trough Amavis" >> /etc/postfix/main.cf
postconf -e 'content_filter = amavis:[127.0.0.1]:10024'
postconf -e 'receive_override_options = no_address_mappings'
echo "" >> /etc/postfix/master.cf
echo "#Pipe incoming mail trough Amavis" >> /etc/postfix/master.cf
echo "amavis unix - - - - 2 smtp" >> /etc/postfix/master.cf
echo "  -o smtp_data_done_timeout=1200" >> /etc/postfix/master.cf
echo "  -o smtp_send_xforward_command=yes" >> /etc/postfix/master.cf
echo "127.0.0.1:10025 inet n - - - - smtpd" >> /etc/postfix/master.cf
echo "  -o content_filter=" >> /etc/postfix/master.cf
echo "  -o local_recipient_maps=" >> /etc/postfix/master.cf
echo "  -o relay_recipient_maps=" >> /etc/postfix/master.cf
echo "  -o smtpd_restriction_classes=" >> /etc/postfix/master.cf
echo "  -o smtpd_client_restrictions=" >> /etc/postfix/master.cf
echo "  -o smtpd_helo_restrictions=" >> /etc/postfix/master.cf
echo "  -o smtpd_sender_restrictions=" >> /etc/postfix/master.cf
echo "  -o smtpd_recipient_restrictions=permit_mynetworks,reject" >> /etc/postfix/master.cf
echo "  -o mynetworks=127.0.0.0/8" >> /etc/postfix/master.cf
echo "  -o strict_rfc821_envelopes=yes" >> /etc/postfix/master.cf
echo "  -o receive_override_options=no_unknown_recipient_checks,no_header_body_checks" >> /etc/postfix/master.cf
echo "  -o smtpd_bind_address=127.0.0.1" >> /etc/postfix/master.cf
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/amavis/15-content_filter_mode -O /etc/amavis/conf.d/15-content_filter_mode
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/amavis/20-debian_defaults -O /etc/amavis/conf.d/20-debian_defaults
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/amavis/21-ubuntu_defaults -O /etc/amavis/conf.d/21-ubuntu_defaults
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/amavis/50-user -O /etc/amavis/conf.d/50-user
sed -i 's/PASSword/'$db_pass'/g' /etc/amavis/conf.d/50-user

##------------------##
#    Incoming SPF    #
##------------------##
msg "         Configuring incoming SPF"
sleep 2
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/spf/incoming_spf.sh -O /tmp/incoming_spf.sh
source /tmp/incoming_spf.sh > $OUTPUT 2>&1

##--------------##
#    Rainloop    #
##--------------##
msg "             Configuring Rainloop"
sleep 2
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/rainloop.sh -O /tmp/rainloop.sh
source /tmp/rainloop.sh > $OUTPUT 2>&1
ln -s /opt/rainloop /var/www/"$domain"/html/

##-------------------------##
#    Max attachment size    #
##-------------------------##
msg "     Configuring attachment sizes"
sleep 2
sed -i 's/body_size 8/body_size '$uploadsize'/g' /etc/nginx/nginx.conf 
sed -i 's/attachment_size_limit = 25/attachment_size_limit = '$uploadsize'/g' /var/www/$domain/html/rainloop/data/_data_/_default_/configs/application.ini
sed -i 's/max_filesize = 2/max_filesize = '$uploadsize'/g' /etc/php/$phpver/fpm/php.ini /etc/php/$phpver/cli/php.ini
sed -i 's/post_max_size = 100/post_max_size = '$uploadsize'/g' /etc/php/$phpver/fpm/php.ini /etc/php/$phpver/cli/php.ini

##--------------##
#    Fail2Ban    #
##--------------##
msg "             Configuring Fail2Ban"
sleep 2
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/fail2ban/dovecot-pop3imap.conf -O /etc/fail2ban/filter.d/dovecot-pop3imap.conf
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/fail2ban/postfix-sasl.conf -O /etc/fail2ban/filter.d/postfix-sasl.conf
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/fail2ban/rainloop.conf -O /etc/fail2ban/filter.d/rainloop.conf
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/fail2ban/jail.local -O /etc/fail2ban/jail.local
sed -i 's/root@localhost/'$email'/g' /etc/fail2ban/jail.conf
systemctl restart fail2ban > $OUTPUT 2>&1

##---------------------------------##
#    Unattended Security Updates    #
##---------------------------------##
msg "    Configuring Unattended Security Updates"
sleep 2
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Unattended-Security-Updates/raw/branch/master/installer.sh -O /tmp/unattended.sh
source /tmp/unattended.sh

##--------------------------------------##
#    Clearing / purging the mail queue   #
##--------------------------------------##
msg "             Configuring Mail-queue"
sleep 2
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/postfix/clear-queue.sh -O /tmp/clear-queue.sh
source /tmp/clear-queue.sh

##----------##
#    MOTD    #
##----------##
msg "             Configuring MOTD"
sleep 2
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/motd/01-custom -O /etc/update-motd.d/01-custom
chmod +x /etc/update-motd.d/01-custom

##---------##
#    UFW    #
##---------##
msg "               Configuring UFW"
sleep 2
wget -q -t7 https://git.ictmaatwerk.com/VPS-scripts/Ubuntu-Mail/raw/branch/"$branch"/config/ufw/config.sh -O /tmp/ufw-config.sh
source /tmp/ufw-config.sh

##---------------------##
#    System services    #
##---------------------##
msg "          Setting up system services"
sleep 2
systemctl enable nginx mysql postfix postfix@- dovecot fail2ban clamav-daemon clamav-freshclam clamsmtp spamassassin > $OUTPUT 2>&1
systemctl disable amavis amavisd-snmp-subagent amavis-mc postfix dovecot> $OUTPUT 2>&1
systemctl stop amavis amavisd-snmp-subagent amavis-mc postfix dovecot > $OUTPUT 2>&1
systemctl restart sshd nginx mysql postfix@- fail2ban clamav-daemon clamav-freshclam clamsmtp spamassassin php7.3-fpm > $OUTPUT 2>&1

##---------------------------------##
#    Updating ClamAV definitions    #
##---------------------------------##
{
    for ((i = 0 ; i <= 100 ; i+=1)); do sleep 3.0
        echo $i
    done
} | whiptail --gauge "      Please wait while ClamAV is updating definitions..." 6 52 0

##-------------------------##
#    Configuring Services   #
##-------------------------##
systemctl start amavis amavisd-snmp-subagent amavis-mc postfix dovecot > $OUTPUT 2>&1
echo "@reboot root sleep 300 && systemctl start amavis amavisd-snmp-subagent amavis-mc postfix dovecot" >> /etc/crontab

##------------------##
#    Final Update    #
##------------------##
msg "                  Final Update"
sleep 2
$PKGM update
$PKGM upgrade -y
$PKGM autoremove -y

##----------------------##
#    End of installer    #
##----------------------##
msg "                Done installing!"
sleep 3

if [ $IMODE = n ]; then
whiptail --title "Info" --msgbox "Point your browser to https://$domain/postfixadmin to get started \n\nYour login is:    superadmin@$domonly\nYour password is: $password" 10 108
whiptail --title "Credits" --msgbox "                   Made by: your local Wizard and God" 8 78
clear
fi
if [ $IMODE = l ]; then
clear
echo "Point your browser to https://$domain/postfixadmin to get started"
echo ""
echo "Your login is: superadmin@$domonly"
echo "Your password is: $password"
echo ""
read -p "Press enter to continue"
clear
fi