218 lines
6.3 KiB
Text
218 lines
6.3 KiB
Text
# MAIL SERVER
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#######################################################
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Self Hosted Email Server with postfixadmin + roundcubemail + dovecot + postfix + spamassassin
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#######################################################
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# Following resources depends on your users count.
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# Supports up to 200 users.
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# Supports up to 20k mail flow daily mail flow handles.
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RAM: 2 GiB
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SWAP: 2x RAM
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Disk: 20GB OR your requirement as per user count.
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CPU: 2 or 4 core.
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# Operating System and Package Version:
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OS: Centos 7
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Dovecot: 2.2.36
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Postfix: 2.10.1
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SpamAssassin: 3.4.0
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PHP: 7.4.16
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Postfixadmin: 3.3.8
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Roundcubemail: 1.4.11
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Apache: 2.4.6
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# Install required packages.
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yum install -y epel-release yum-utils http://rpms.remirepo.net/enterprise/remi-release-7.rpm vim net-tools ; yum-config-manager --enable remi-php74 ; yum -y install postfix dovecot dovecot-mysql dovecot-pigeonhole mariadb-server telnet mailx wget ; yum -y install spamassassin ; yum install -y libopendkim opendkim; yum install -y postgrey spamassassin spamass-milter-postfix spamass-milter; yum install -y clamav-filesystem clamav-server clamav-update clamav-milter-systemd clamav-data clamav-server-systemd clamav-scanner-systemd clamav clamav-milter clamav-lib clamav-devel; yum install -y php php-cli php-gd php-xml php-curl php-mysql php-zip php-mbstring php-mcrypt php-fpm php-imap php-common php-pdo php-intl php-imagick; yum update -y; yum clean all;
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# Enable and start mariadb service.
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systemctl enable mariadb && systemctl start mariadb && systemctl status mariadb
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# Disable selinux.
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getenforce
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sed -i 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config
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setenforce 0
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# Reboot server.
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reboot
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# Setup MySQL root password.
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mysql_secure_installation
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Configure it like this:
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- Enter current password for root (enter for none): (Just Enter)
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- Set root password? [Y/n] y
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New password: <STRONGPASSWORD>
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Re-enter new password: <STRONGPASSWORD>
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Password updated successfully!
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- Remove anonymous users? [Y/n] y
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- Disallow root login remotely? [Y/n] y
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- Remove test database and access to it? [Y/n] y
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- Reload privilege tables now? [Y/n] y
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# Create postfixadmin database and user.
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mysql -u root -p;
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ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'example#2345';
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SELECT host, user FROM mysql.user;
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CREATE DATABASE vmailadmin;
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GRANT ALL PRIVILEGES ON vmailadmin.* TO 'vmailadmin'@'localhost' IDENTIFIED BY 'STRONGPASSWORD';
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grant select on vmailadmin.* to 'vmailadmin'@'localhost' identified by 'STRONGPASSWORD';
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FLUSH PRIVILEGES;
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SELECT host, user FROM mysql.user;
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exit
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# Create roundcube database and user.
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mysql -u root -p;
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CREATE DATABASE roundcubemail CHARACTER SET utf8 COLLATE utf8_general_ci;
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CREATE USER 'roundcube'@'localhost' IDENTIFIED BY 'password';
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GRANT ALL PRIVILEGES ON roundcubemail.* TO 'roundcube'@'localhost';
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FLUSH PRIVILEGES;
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exit
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# Create mailstore directory for store users mails in this location.
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mkdir -p /mailstore/vmail
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useradd -r -u 2000 -g mail -d /mailstore/vmail -s /sbin/nologin -c "MyHosted Virtual Mail User" vmail
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mkdir -p /mailstore/vmail
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chmod -R 770 /mailstore/vmail
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chown -R vmail:mail /mailstore/vmail
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# Take backup Postfix configuration.
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cp -a /etc/postfix /etc/postfix_original
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# Take backup Dovecot configuration.
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cp -a /etc/dovecot /etc/dovecot_original
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# Pull mailserver configuration from github.
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cd /root/
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git clone https://github.com/harishjadhav26/mail_server.git
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# Remove default postfix and dovecot configuration.
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rm -rf /etc/postfix
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rm -rf /etc/dovecot
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# Copy postfix and dovecot new config files.
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cp -a /root/mail_server/postfix /etc/postfix
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cp -a /root/mail_server/dovecot /etc/dovecot
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# Copy postfixadmin and roundcubemail configuration in html.
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cp -a /root/mail_server/postfixadmin /var/www/html/
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cp -a /root/mail_server/roundcubemail /var/www/html/
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# Import postfixadmin and roundcubemail DB.
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mysql -u root -p vmailadmin < /root/mail_server/vmailadmin.sql
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mysql -u root -p roundcubemail < /root/mail_server/roundcubemail.sql
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# Copy dovecot quota script.
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cp /root/mail_server/quota-warning.sh /usr/local/bin/quota-warning.sh
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# configure SpamAssassin.
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cp /etc/mail/spamassassin/local.cf /etc/mail/spamassassin/local.cf_original
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cp /root/mail_server/local.cf /etc/mail/spamassassin/local.cf
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# PHP config file.
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cp /etc/php.ini /etc/php.ini_original
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cp /root/mail_server/php.ini /etc/php.ini
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# Add new user to run SpamAssassin. ** -g = add to group spamd, -s /bin/false = No shell (does not mean, cannot access via SSH!), -d = home dir **
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groupadd spamd
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useradd -g spamd -s /bin/false -d /var/log/spamassassin spamd
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chown -R spamd:spamd /var/log/spamassassin
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# Update the spam rules by running
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time sa-update
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# Update ownership to dovecot and postfix files.
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touch /etc/postfix/sasl_passwd
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touch /var/lib/postfix/smtpd_scache
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postmap /etc/postfix/sasl_passwd
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postmap /etc/postfix/master.cf
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postmap /etc/postfix/main.cf
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postmap /etc/postfix/sql/*.cf
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postmap /etc/postfix/header_checks
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postmap /etc/postfix/transport
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# Update files permission.
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chown -R root:postfix /etc/postfix/sql/*
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sudo chmod 0640 /etc/postfix/sql/*
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chown -R postfix. /var/lib/postfix/smtpd_scache
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# Dovecot config permission and ownership update.
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chown -R vmail.mail /var/run/dovecot/dict
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# Update postfixadmin and roundcubemail configuration.
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chown -R apache. /var/www/html/*
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# Update apache virtualhost file.
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cp /root/mail_server/httpd/* /etc/httpd/conf.d/
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# Send mail from command line.
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echo "hello" | mail -r harish@example.com -s "test sub" postmaster@example.com
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# Service restart.
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systemctl enable mariadb dovecot postfix httpd spamassassin php-fpm
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systemctl restart mariadb dovecot postfix httpd spamassassin php-fpm
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systemctl status mariadb dovecot postfix httpd spamassassin php-fpm
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# Default password:
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PostfixadminDB:
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MySQL USER: vmailadmin
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Password: STRONGPASSWORD
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RoundcubemailDB:
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MySQL User: roundcube
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Password: password
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Postfixadmin:
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http://<IP/HOSTNAME>:8080
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Superadmin User: postmaster@example.com
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Password: password#123
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Roundcubemail:
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http://<IP/HOSTNAME>
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User: postmaster@example.com
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Password: password#123
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# Reset User Password and DB, Set in Postfixadmin, Roundcubemail, Postfix and Dovecot as per your require meet.
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sed -i 's/password = postfixadmin_password/password = STRONGPASSWORD/g' /etc/postfix/sql/*.cf
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# Quota update for all domain users.
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doveadm quota recalc -u *@*
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# Quota verify.
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sudo doveadm quota get -A
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