Add uninstall script
This commit is contained in:
TheGreatRambler
parent
bcefdb911f
commit
9c9b3911be
2 changed files with 394 additions and 20 deletions
359
install.sh
359
install.sh
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@ -1,4 +1,6 @@
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if [[ $(id -u) -ne 0 ]] ; then
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#!/bin/bash
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if [[ $(id -u) -ne 0 ]]; then
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echo "This script requires root (sudo) to install packages"
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exit 1
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fi
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@ -7,29 +9,346 @@ while :
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do
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# Read variables before starting
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read -ep "Enter domain name: " DOMAIN_NAME
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read -ep "Enter admin user, must be existing user: " ADMIN_USER
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read -ep "Enter mail subdomain (mail.${DOMAIN_NAME}): " MAIL_SUBDOMAIN
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SETTINGS_CONFIRM="Chosen settings:
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Domain: ${DOMAIN_NAME},
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Mail subdomain: ${MAIL_SUBDOMAIN},
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Admin email: ${ADMIN_USER}@${DOMAIN_NAME}
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Is this ok [y/n]?
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"
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# Prompt user for these settings and continue if ok
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read -ep $SETTINGS_CONFIRM SETTINGS_OK
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if [[ -z "$DOMAIN_NAME" ]]; then
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echo "Please enter domain name"
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continue
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fi
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if [[ $SETTINGS_OK == "y" || $SETTINGS_OK == "Y"]] ; then
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read -ep "Enter mail subdomain (mail.${DOMAIN_NAME}): " MAIL_SUBDOMAIN \
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&& [[ -z "$MAIL_SUBDOMAIN" ]] && MAIL_SUBDOMAIN="mail.${DOMAIN_NAME}"
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read -ep "Enter admin user, must be existing user: " ADMIN_USER
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if [[ -z "$ADMIN_USER" || $(id -u $ADMIN_USER > /dev/null 2>&1 ; echo $?) -ne 0 ]]; then
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echo "Please enter valid user"
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continue
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fi
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read -ep "Enter certbot email (${ADMIN_USER}@${DOMAIN_NAME}): " CERTBOT_EMAIL \
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&& [[ -z "$CERTBOT_EMAIL" ]] && CERTBOT_EMAIL="${ADMIN_USER}@${DOMAIN_NAME}"
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read -ep "Enter Gmail email for relay: " GOOGLE_EMAIL
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if [[ -z "$GOOGLE_EMAIL" ]]; then
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echo "Please enter Gmail email"
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continue
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fi
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read -ep "Enter Google app password for relay: " APP_PASSWORD
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if [[ -z "$APP_PASSWORD" ]]; then
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echo "Please enter Google app password"
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continue
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fi
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SETTINGS_CONFIRM="Chosen settings:
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Domain: ${DOMAIN_NAME},
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Mail subdomain: ${MAIL_SUBDOMAIN},
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Admin email: ${ADMIN_USER}@${DOMAIN_NAME}
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Certbot email: ${CERTBOT_EMAIL}
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Gmail email: ${GOOGLE_EMAIL}
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App password: ${APP_PASSWORD}
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Is this ok [y/n]? "
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# Prompt user for these settings and continue if ok
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read -ep "$SETTINGS_CONFIRM" SETTINGS_OK
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if [[ $SETTINGS_OK == "y" || $SETTINGS_OK == "Y" ]]; then
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break
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fi
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done
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# Update package repositories
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sudo apt update
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sudo apt upgrade
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# Install required packages
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sudo apt install ufw -y
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echo "----- Updating package repositories -----"
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apt-get update > /dev/null
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apt-get upgrade > /dev/null
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# Install UFW (firewall)
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echo "----- Installing UFW -----"
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apt-get install ufw -y > /dev/null
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# Install certbot, involved configuration
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sudo apt install snapd -y
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sudo snap install core
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sudo snap install --classic certbot
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sudo ln -s /snap/bin/certbot /usr/bin/certbot
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echo "----- Installing certbot -----"
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apt-get install snapd -y > /dev/null
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snap install core > /dev/null
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snap install --classic certbot > /dev/null
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ln -s /snap/bin/certbot /usr/bin/certbot > /dev/null
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# Create certificate
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echo "----- Creating SSL certificate -----"
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#sudo certbot certonly --standalone --non-interactive --domains $MAIL_SUBDOMAIN --agree-tos -m $CERTBOT_EMAIL > /dev/null
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#if [[ $? -ne 0 ]]; then
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# echo "Certbot failed, check that you have AAAA records for ${MAIL_SUBDOMAIN}"
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# exit 1
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#fi
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# Install postfix
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echo "----- Installing postfix -----"
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apt-get remove exim4 > /dev/null
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debconf-set-selections <<< "postfix postfix/mailname string ${DOMAIN_NAME}"
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debconf-set-selections <<< "postfix postfix/main_mailer_type string 'Internet Site'"
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apt-get install postfix libsasl2-modules -y > /dev/null
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systemctl stop postfix > /dev/null
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# Change postfix master.cf and main.cf configurations
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echo "----- Creating configuration files -----"
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MASTER_CF_CONTENTS="#
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# Postfix master process configuration file. For details on the format
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# of the file, see the master(5) manual page (command: \"man 5 master\" or
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# on-line: http://www.postfix.org/master.5.html).
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#
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# Do not forget to execute \"postfix reload\" after editing this file.
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#
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# ==========================================================================
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# service type private unpriv chroot wakeup maxproc command + args
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# (yes) (yes) (no) (never) (100)
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# ==========================================================================
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smtp inet n - y - - smtpd
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#smtp inet n - y - 1 postscreen
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#smtpd pass - - y - - smtpd
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#dnsblog unix - - y - 0 dnsblog
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#tlsproxy unix - - y - 0 tlsproxy
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submission inet n - y - - smtpd
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-o syslog_name=postfix/submission
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-o smtpd_tls_security_level=encrypt
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-o smtpd_sasl_auth_enable=yes
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-o smtpd_tls_auth_only=yes
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-o smtpd_reject_unlisted_recipient=no
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-o smtpd_client_restrictions=\$mua_client_restrictions
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-o smtpd_helo_restrictions=\$mua_helo_restrictions
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-o smtpd_sender_restrictions=\$mua_sender_restrictions
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-o smtpd_recipient_restrictions=
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-o smtpd_relay_restrictions=permit_sasl_authenticated,reject
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-o milter_macro_daemon_name=ORIGINATING
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smtps inet n - y - - smtpd
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-o syslog_name=postfix/smtps
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-o smtpd_tls_wrappermode=yes
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-o smtpd_sasl_auth_enable=yes
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-o smtpd_reject_unlisted_recipient=no
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-o smtpd_client_restrictions=\$mua_client_restrictions
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-o smtpd_helo_restrictions=\$mua_helo_restrictions
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-o smtpd_sender_restrictions=\$mua_sender_restrictions
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-o smtpd_recipient_restrictions=
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-o smtpd_relay_restrictions=permit_sasl_authenticated,reject
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-o milter_macro_daemon_name=ORIGINATING
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#628 inet n - y - - qmqpd
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pickup unix n - y 60 1 pickup
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cleanup unix n - y - 0 cleanup
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qmgr unix n - n 300 1 qmgr
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#qmgr unix n - n 300 1 oqmgr
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tlsmgr unix - - y 1000? 1 tlsmgr
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rewrite unix - - y - - trivial-rewrite
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bounce unix - - y - 0 bounce
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defer unix - - y - 0 bounce
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trace unix - - y - 0 bounce
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verify unix - - y - 1 verify
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flush unix n - y 1000? 0 flush
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proxymap unix - - n - - proxymap
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proxywrite unix - - n - 1 proxymap
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smtp unix - - y - - smtp
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relay unix - - y - - smtp
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-o syslog_name=postfix/\$service_name
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# -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
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showq unix n - y - - showq
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error unix - - y - - error
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retry unix - - y - - error
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discard unix - - y - - discard
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local unix - n n - - local
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virtual unix - n n - - virtual
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lmtp unix - - y - - lmtp
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anvil unix - - y - 1 anvil
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scache unix - - y - 1 scache
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postlog unix-dgram n - n - 1 postlogd
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#
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# ====================================================================
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# Interfaces to non-Postfix software. Be sure to examine the manual
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# pages of the non-Postfix software to find out what options it wants.
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#
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# Many of the following services use the Postfix pipe(8) delivery
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# agent. See the pipe(8) man page for information about \${recipient}
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# and other message envelope options.
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# ====================================================================
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#
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# maildrop. See the Postfix MAILDROP_README file for details.
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# Also specify in main.cf: maildrop_destination_recipient_limit=1
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#
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maildrop unix - n n - - pipe
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flags=DRXhu user=vmail argv=/usr/bin/maildrop -d \${recipient}
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#
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# ====================================================================
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#
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# Recent Cyrus versions can use the existing \"lmtp\" master.cf entry.
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#
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# Specify in cyrus.conf:
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# lmtp cmd=\"lmtpd -a\" listen=\"localhost:lmtp\" proto=tcp4
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#
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# Specify in main.cf one or more of the following:
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# mailbox_transport = lmtp:inet:localhost
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# virtual_transport = lmtp:inet:localhost
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#
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# ====================================================================
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#
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# Cyrus 2.1.5 (Amos Gouaux)
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# Also specify in main.cf: cyrus_destination_recipient_limit=1
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#
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#cyrus unix - n n - - pipe
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# flags=DRX user=cyrus argv=/cyrus/bin/deliver -e -r \${sender} -m \${extension} \${user}
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#
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# ====================================================================
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# Old example of delivery via Cyrus.
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#
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#old-cyrus unix - n n - - pipe
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# flags=R user=cyrus argv=/cyrus/bin/deliver -e -m \${extension} \${user}
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#
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# ====================================================================
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#
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# See the Postfix UUCP_README file for configuration details.
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#
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uucp unix - n n - - pipe
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flags=Fqhu user=uucp argv=uux -r -n -z -a\$sender - \$nexthop!rmail (\$recipient)
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#
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# Other external delivery methods.
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#
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ifmail unix - n n - - pipe
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flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r \$nexthop (\$recipient)
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bsmtp unix - n n - - pipe
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flags=Fq. user=bsmtp argv=/usr/lib/bsmtp/bsmtp -t\$nexthop -f\$sender \$recipient
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scalemail-backend unix - n n - 2 pipe
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flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store \${nexthop} \${user} \${extension}
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mailman unix - n n - - pipe
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flags=FRX user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py \${nexthop} \${user}
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"
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echo "$MASTER_CF_CONTENTS" > /etc/postfix/master.cf
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MAIN_CF_CONTENTS="
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# See /usr/share/postfix/main.cf.dist for a commented, more complete version
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# Debian specific: Specifying a file name will cause the first
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# line of that file to be used as the name. The Debian default
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# is /etc/mailname.
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#myorigin = /etc/mailname
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smtpd_banner = \$myhostname ESMTP \$mail_name (Debian/GNU)
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biff = no
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# appending .domain is the MUA's job.
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append_dot_mydomain = no
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# Uncomment the next line to generate \"delayed mail\" warnings
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#delay_warning_time = 4h
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readme_directory = no
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# See http://www.postfix.org/COMPATIBILITY_README.html -- default to 2 on
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# fresh installs.
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compatibility_level = 2
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# TLS parameters
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smtpd_tls_cert_file=/etc/letsencrypt/live/$MAIL_SUBDOMAIN/fullchain.pem
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smtpd_tls_key_file=/etc/letsencrypt/live/$MAIL_SUBDOMAIN/privkey.pem
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smtpd_use_tls=yes
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smtpd_tls_auth_only = yes
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smtpd_tls_security_level=may
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smtpd_tls_protocols = !SSLv2, !SSLv3
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smtp_tls_CApath=/etc/ssl/certs
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smtp_tls_security_level=may
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smtp_tls_session_cache_database = btree:\${data_directory}/smtp_scache
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smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
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myhostname = $MAIL_SUBDOMAIN
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alias_maps = hash:/etc/aliases
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alias_database = hash:/etc/aliases
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myorigin = /etc/mailname
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mydestination = \$myhostname, $DOMAIN_NAME, localhost, localhost.localdomain, localhost
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relayhost = [smtp.gmail.com]:587
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mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
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mailbox_size_limit = 0
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recipient_delimiter = +
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inet_interfaces = all
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inet_protocols = ipv4
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smtpd_sasl_path = private/auth
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smtpd_sasl_type = dovecot
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smtpd_sasl_auth_enable = yes
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smtpd_sasl_security_options = noanonymous
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smtp_sasl_password_maps = hash:/etc/postfix/sasl/sasl_passwd
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smtp_sasl_auth_enable = yes
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smtp_sasl_security_options = noanonymous
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smtp_use_tls = yes
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local_recipient_maps = proxy:unix:passwd.byname $alias_maps
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smtpd_restriction_classes = mua_sender_restrictions, mua_client_restrictions, mua_helo_restrictions
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mua_client_restrictions = permit_sasl_authenticated, reject
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mua_sender_restrictions = permit_sasl_authenticated, reject
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mua_helo_restrictions = permit_mynetworks, reject_non_fqdn_hostname, reject_invalid_hostname, permit
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"
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echo "$MAIN_CF_CONTENTS" > /etc/postfix/main.cf
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# Add aliases
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ETC_ALIASES_CONTENTS="
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mailer-daemon: postmaster
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postmaster: root
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nobody: root
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hostmaster: root
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usenet: root
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news: root
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webmaster: root
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www: root
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ftp: root
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abuse: root
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root: $ADMIN_USER
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"
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echo "$ETC_ALIASES_CONTENTS" > /etc/aliases
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newaliases
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# Add Google app password to access relay
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SASL_PASSWORD_CONTENTS="
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[smtp.gmail.com]:587 $GOOGLE_EMAIL:$APP_PASSWORD
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"
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echo "$SASL_PASSWORD_CONTENTS" > /etc/postfix/sasl/sasl_passwd
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postmap /etc/postfix/sasl/sasl_passwd
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chown root:root /etc/postfix/sasl/sasl_passwd /etc/postfix/sasl/sasl_passwd.db
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chmod 0600 /etc/postfix/sasl/sasl_passwd /etc/postfix/sasl/sasl_passwd.db
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rm /etc/postfix/sasl/sasl_passwd
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# Install dovecot
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echo "----- Installing dovecot -----"
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apt-get install dovecot-core dovecot-imapd dovecot-pop3d > /dev/null
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DOVECOT_CONF_CONTENTS="
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disable_plaintext_auth = no
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mail_privileged_group = mail
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mail_location = mbox:~/mail:INBOX=/var/mail/%u
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userdb {
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driver = passwd
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}
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passdb {
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args = %s
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driver = pam
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}
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protocols = \"imap pop3\"
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service auth {
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unix_listener /var/spool/postfix/private/auth {
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group = postfix
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mode = 0660
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user = postfix
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}
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}
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ssl=required
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ssl_cert = </etc/letsencrypt/live/$MAIL_SUBDOMAIN/fullchain.pem
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ssl_key = </etc/letsencrypt/live/$MAIL_SUBDOMAIN/privkey.pem
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"
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echo "$DOVECOT_CONF_CONTENTS" > /etc/dovecot/dovecot.conf
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# Verify hostname is set correctly, can conflict with mail
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hostnamectl set-hostname $DOMAIN_NAME
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# Open firewall
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echo "----- Opening firewall -----"
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ufw allow Postfix > /dev/null
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ufw allow "Dovecot IMAP" > /dev/null
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ufw allow "Dovecot Secure IMAP" > /dev/null
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ufw allow 465/tcp > /dev/null # SMTPS
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ufw allow 995/tcp > /dev/null # POP3
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# Start services
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echo "----- Starting services -----"
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postfix start > /dev/null
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service dovecot restart > /dev/null
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55
uninstall.sh
Executable file
55
uninstall.sh
Executable file
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@ -0,0 +1,55 @@
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#!/bin/bash
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if [[ $(id -u) -ne 0 ]]; then
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echo "This script requires root (sudo) to modify packages"
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exit 1
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fi
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while :
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do
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# Read variables before starting
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read -ep "Enter domain name used during install: " DOMAIN_NAME
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if [[ -z "$DOMAIN_NAME" ]]; then
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echo "Please enter domain name"
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continue
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fi
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read -ep "Enter mail subdomain used during install (mail.${DOMAIN_NAME}): " MAIL_SUBDOMAIN \
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&& [[ -z "$MAIL_SUBDOMAIN" ]] && MAIL_SUBDOMAIN="mail.${DOMAIN_NAME}"
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SETTINGS_CONFIRM="Chosen settings:
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Domain: ${DOMAIN_NAME},
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Mail subdomain: ${MAIL_SUBDOMAIN}
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Is this ok [y/n]? "
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# Prompt user for these settings and continue if ok
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read -ep "$SETTINGS_CONFIRM" SETTINGS_OK
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if [[ $SETTINGS_OK == "y" || $SETTINGS_OK == "Y" ]]; then
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break
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fi
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done
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# Uninstall key packages
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echo "----- Uninstalling packages -----"
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systemctl stop postfix > /dev/null
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systemctl stop dovecot > /dev/null
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apt-get purge postfix libsasl2-modules -y > /dev/null
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apt-get purge dovecot-core dovecot-imapd dovecot-pop3d > /dev/null
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# Delete configuration files
|
||||
echo "----- Delete configuration files -----"
|
||||
rm /etc/postfix/master.cf
|
||||
rm /etc/postfix/main.cf
|
||||
rm /etc/postfix/sasl/sasl_passwd
|
||||
rm /etc/postfix/sasl/sasl_passwd.db
|
||||
rm /etc/dovecot/dovecot.conf
|
||||
|
||||
# Revert certain configs, certbot and UFW are common enough that the user
|
||||
# may have had them before running install.sh
|
||||
echo "----- Revert certbot/UFW config -----"
|
||||
sudo certbot delete --cert-name $MAIL_SUBDOMAIN > /dev/null
|
||||
ufw deny Postfix > /dev/null
|
||||
ufw deny "Dovecot IMAP" > /dev/null
|
||||
ufw deny "Dovecot Secure IMAP" > /dev/null
|
||||
ufw deny 465/tcp > /dev/null # SMTPS
|
||||
ufw deny 995/tcp > /dev/null # POP3
|
||||
Loading…
Reference in a new issue