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참고사이트 :

https://www.exratione.com/2016/05/a-mailserver-on-ubuntu-16-04-postfix-dovecot-mysql/

 

기본 설정

 

이전글 : 우분투 16.04 서버 세팅

처럼 서버가 기본 세팅이 완료된 상태라고 가정하고 다음부터 적용된다.

 

SSL 설정

 

ssl cert 도메인명에 맞춰 재생성

 

apt-get install ssl-cert
make-ssl-cert generate-default-snakeoil --force-overwrite

 

Diffie-Helman Group conf 파일 생성

 

openssl dhparam -out /etc/ssl/private/dhparams.pem 2048
chmod 600 /etc/ssl/private/dhparams.pem

 

/etc/apache2/sites-available/mail.ddart.net.conf 추가

 

<VirtualHost *:80>
    ServerName mail.ddart.net
    ServerAdmin admin@ddart.net

    DocumentRoot /home/ddart/www/mail
    <Directory "/home/ddart/www/mail">
        Options FollowSymLinks
        AllowOverride All
    </Directory>

    AssignUserID ddart ddart
    ErrorLog ${APACHE_LOG_DIR}/mail.ddart.net-error.log
    CustomLog ${APACHE_LOG_DIR}/mail.ddart.net-access.log combined
</VirtualHost>

 

 

a2ensite mail.ddart.net

 

무료 SSL certificate 생성, 아파치conf 자동설정해주는 certbot 설치

 

apt-get install software-properties-common
add-apt-repository ppa:certbot/certbot
apt-get update
apt-get install python-certbot-apache
certbot --apache

 

ssl 테스트 주소

https://www.ssllabs.com/ssltest/analyze.html?d=mail.ddart.net

 

certbot 이용방법
https://certbot.eff.org/lets-encrypt/ubuntuxenial-apache.html

 

3개월마다 renewal 해줘야하는데 크론탭에 다음 명령 적절한 주기로 추가

 

certbot renew --dry-run

 

 

/etc/apache2/sites-available/mail.ddart.net-le-ssl.conf 수정

 

<IfModule mod_ssl.c>
<VirtualHost *:443>
    ServerName mail.ddart.net
    DocumentRoot /home/ddart/www/mail
    <Directory /home/ddart/www/mail>
        Options FollowSymLinks
        AllowOverride All
        SSLOptions +StdEnvVarS
        Require all granted
    </Directory>


    AssignUserID ddart ddart

 

 

 

/etc/apache2/mods-available/ssl.conf 에 다음 구문 추가

 

# Protect against Logjam attacks. See: https://weakdh.org
SSLOpenSSLConfCmd DHParameters "/etc/ssl/private/dhparams.pem"

 

apache restart

 

service apache2 restart

 

 

mail-server^ 패키지 설치

 

apt-get install mail-server^

 

설치 도중 묻는 질문에 Internet site 와 mail.ddart.net 이라 답한다.

 

mysql support 및 spam 방지 패키지 설치

 

apt-get install postfix-mysql dovecot-mysql postgrey amavis clamav  clamav-daemon spamassassin libdbi-perl libdbd-mysql-perl php7.0-imap

 

apache restart

 

service apache2 restart

 

스팸, 바이러스 감지 패키지들의 능력을 확장해줄 선택적 패키지 추가 설치

 

apt-get install pyzor razor arj cabextract lzop nomarch p7zip-full ripole rpm2cpio tnef unzip unrar-free zip zoo

 

MariaDB cnf 수정

/etc/mysql/mariadb.conf.d/50-server.cnf

[mysqld] 아래에

 

# This removes NO_ZERO_IN_DATE and NO_ZERO_DATE, which cause problems for   
# Postfix Admin code, from strict mode.
sql_mode=ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_

 

service mysql restart

 

db 생성 및 db user 추가

 

mysql> use mysql;
mysql> create database mail default character set utf8 collate utf8_general_ci;
mysql> create user mail@localhost identified by '비밀번호';
mysql> grant all privileges on mail.* to mail@localhost identified by '비밀번호';
mysql> flush privileges;

 

PostfixAdmin

 

설치

 

wget http://downloads.sourceforge.net/project/postfixadmin/postfixadmin/postfixadmin-2.93/postfixadmin-2.93.tar.gz
tar -xf postfixadmin-2.93.tar.gz
rm -f postfixadmin-2.93.tar.gz
mkdir /home/ddart/www/mail
mv postfixadmin-2.93 /home/ddart/www/mail/
ln -s /home/ddart/www/mail/postfixadmin-2.93 /home/ddart/www/mail/postfixadmin
chown -R ddart:ddart /home/ddart/www/mail

 

설정

 

config.local.php 파일을 새로 만들어 작성한다.

vi /home/ddart/www/mail/postfixadmin/config.local.php

 

<?php
// Configuration options here override those in config.inc.php.

// You have to set $CONF['configured'] = true; before the
// application will run.
$CONF['configured'] = true;

// Postfix Admin Path
// Set the location of your Postfix Admin installation here.
// YOU MUST ENTER THE COMPLETE URL e.g. http://domain.tld/postfixadmin
$CONF['postfix_admin_url'] = 'https://mail.example.com/postfixadmin';

// Database connection details.
$CONF['database_type'] = 'mysqli';
$CONF['database_host'] = 'localhost';
$CONF['database_user'] = 'mail';
$CONF['database_password'] = '비밀번호';
$CONF['database_name'] = 'mail';

// Site Admin
// Define the Site Admin's email address below.
// This will be used to send emails from to create mailboxes and
// from Send Email / Broadcast message pages.
// Leave blank to send email from the logged-in Admin's Email address.
$CONF['admin_email'] = 'admin@ddart.net';

// Mail Server
// Hostname (FQDN) of your mail server.
// This is used to send email to Postfix in order to create mailboxes.
$CONF['smtp_server'] = 'localhost';
$CONF['smtp_port'] = '25';

// Encrypt
// In what way do you want the passwords to be crypted?
// md5crypt = internal postfix admin md5
$CONF['encrypt'] = 'md5crypt';

// Default Aliases
// The default aliases that need to be created for all domains.
$CONF['default_aliases'] = array (
    'abuse' => 'admin@ddart.net',
    'hostmaster' => 'admin@ddart.net',
    'postmaster' => 'admin@ddart.net',
    'webmaster' => 'admin@ddart.net'
);

// Footer
// Below information will be on all pages.
// If you don't want the footer information to appear set this to 'NO'.
$CONF['show_footer_text'] = 'YES';
$CONF['footer_text'] = 'Return to mail.ddart.net';
$CONF['footer_link'] = 'https://mail.ddart.net';

// Mailboxes
// If you want to store the mailboxes per domain set this to 'YES'.
// Examples:
//   YES: /usr/local/virtual/domain.tld/username@domain.tld
//   NO:  /usr/local/virtual/username@domain.tld
$CONF['domain_path'] = 'NO';
// If you don't want to have the domain in your mailbox set this to 'NO'.
// Examples:
//   YES: /usr/local/virtual/domain.tld/username@domain.tld
//   NO:  /usr/local/virtual/domain.tld/username
// Note: If $CONF['domain_path'] is set to NO, this setting will be forced to YES.
$CONF['domain_in_mailbox'] = 'YES';

// Specify '' for Dovecot and 'INBOX.' for Courier.
$CONF['create_mailbox_subdirs_prefix']='';

?>
 

 

 

https://mail.ddart.net/postfixadmin/setup.php 접속

 

setup 비번 설정후 나온 hash값

 

If you want to use the password you entered as setup password, edit config.inc.php or config.local.php and set

$CONF['setup_password'] = '해쉬값';

 

php 변수를 카피해 config.local.php 에 추가한다.

 

다시 setup.php 로 superadmin 계정을 만들고 나면 setup 완료

 

vi /home/ddart/www/mail/postfixadmin/.htaccess

 

<Files "setup.php">
deny from all
</Files>

로 setup.php disable 시킴

 

https://mail.ddart.net/postfixadmin/ 으로 로그인

 

Domain List -> New Domain 에서 ddart.net 추가

 

추가된 ddart.net 도메인 이름 클릭해서

Alias 메일 과 새로운 메일계정 추가. admin 메일계정도 'Add Mailbox' 에서 신규로 추가해줘야한다.

 

Virtual Mail 디렉토리 생성 및 관리할 유저 추가

 

useradd -r -u 150 -g mail -d /var/vmail -s /sbin/nologin -c "Virtual maildir handler" vmail
mkdir /var/vmail
chmod 770 /var/vmail
chown vmail:mail /var/vmail

 

Dovecot 설정

 

/etc/dovecot/dovecot-sql.conf.ext 파일을 열어 아래 처럼 수정한다

 

# Database driver: mysql, pgsql, sqlite
driver = mysql

#-------------------------------------------
connect = host=localhost dbname=mail user=mail password=mailpassword

#-------------------------------------------
password_query = \
  SELECT username as user, password, '/var/vmail/%d/%n' as userdb_home, \
  'maildir:/var/vmail/%d/%n' as userdb_mail, 150 as userdb_uid, 8 as userdb_gid \
  FROM mailbox WHERE username = '%u' AND active = '1'

#-------------------------------------------
user_query = \
  SELECT '/var/vmail/%d/%n' as home, 'maildir:/var/vmail/%d/%n' as mail, \
  150 AS uid, 8 AS gid, concat('dirsize:storage=', quota) AS quota \
  FROM mailbox WHERE username = '%u' AND active = '1'

 

 

/etc/dovecot/conf.d/10-auth.conf  열어 아래부분을 수정한다

 

#------------------------------
disable_plaintext_auth = yes

#------------------------------
auth_mechanisms = plain login

#------------------------------
#!include auth-system.conf.ext
!include auth-sql.conf.ext
 

 

/etc/dovecot/conf.d/10-mail.conf 열어 아래부분을 수정한다.

 

#mail_location = mbox:~/mail:INBOX=/var/mail/%u
mail_location = maildir:/var/vmail/%d/%n
#---------------------------------------
#mail_uid =
#mail_gid =
mail_uid = vmail
mail_gid = mail
#---------------------------------------
#first_valid_uid = 500
#last_valid_uid = 0
# Use the vmail user uid here.
first_valid_uid = 150
last_valid_uid = 150

 

uid 확인법

 

id vmail

 

/etc/dovecot/conf.d/10-ssl.conf 를 열어

 

# SSL/TLS support: yes, no, required. <doc/wiki/SSL.txt>
ssl = yes
#---------------------------------------
#ssl_cert = </etc/dovecot/dovecot.pem
#ssl_key = </etc/dovecot/private/dovecot.pem

ssl_cert = </etc/letsencrypt/live/mail.ddart.net/fullchain.pem
ssl_key = </etc/letsencrypt/live/mail.ddart.net/privkey.pem
#---------------------------------------
# DH parameters length to use.
#ssl_dh_parameters_length = 1024
ssl_dh_parameters_length = 2048

# SSL protocols to use
#ssl_protocols = !SSLv2
ssl_protocols = !SSLv2 !SSLv3

# SSL ciphers to use
#ssl_cipher_list = ALL:!LOW:!SSLv2:!EXP:!aNULL
ssl_cipher_list = ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA


# Prefer the server's order of ciphers over client's.
#ssl_prefer_server_ciphers = no
ssl_prefer_server_ciphers = yes

 

/etc/dovecot/conf.d/10-master.conf 에서

 

 

service auth {
  # auth_socket_path points to this userdb socket by default. It's typically
  # used by dovecot-lda, doveadm, possibly imap process, etc. Users that have
  # full permissions to this socket are able to get a list of all usernames and
  # get the results of everyone's userdb lookups.
  #
  # The default 0666 mode allows anyone to connect to the socket, but the
  # userdb lookups will succeed only if the userdb returns an "uid" field that
  # matches the caller process's UID. Also if caller's uid or gid matches the
  # socket's uid or gid the lookup succeeds. Anything else causes a failure.
  #
  # To give the caller full permissions to lookup all users, set the mode to
  # something else than 0666 and Dovecot lets the kernel enforce the
  # permissions (e.g. 0777 allows everyone full permissions).
  unix_listener auth-userdb {
    #mode = 0666
    #user =
    #group =
    mode = 0666
    user = vmail
    group = mail
  }

  # Postfix smtp-auth
  #unix_listener /var/spool/postfix/private/auth {
  #  mode = 0666
  #}

  unix_listener /var/spool/postfix/private/auth {
    mode = 0666
    # Assuming the default Postfix user and group
    user = postfix
    group = postfix
  }

 

/etc/dovecot/conf.d/15-lda.conf

 

# Address to use when sending rejection mails.
# Default is postmaster@<your domain>. %d expands to recipient domain.
postmaster_address = postmaster@ddart.net

# Hostname to use in various parts of sent mails (e.g. in Message-Id) and
# in LMTP replies. Default is the system's real hostname@domain.
hostname = mail

 

dovecot 소유, 퍼미션 조정

 

chown -R vmail:dovecot /etc/dovecot
chmod -R o-rwx /etc/dovecot

 

Amavis, ClamAV, and SpamAssassin 설정

 

사용자 그룹추가

 

adduser clamav amavis
adduser amavis clamav

 

/etc/clamav/clamd.conf

 

#AllowSupplementaryGroups false
AllowSupplementaryGroups true

 

/etc/amavis/conf.d/15-content_filter_mode 에 bypass 주석 제거

 

@bypass_virus_checks_maps = (
   \%bypass_virus_checks, \@bypass_virus_checks_acl, \$bypass_virus_checks_re);


#
# Default SPAM checking mode
# Please note, that anti-spam checking is DISABLED by
# default.
# If You wish to enable it, please uncomment the following lines:


@bypass_spam_checks_maps = (
   \%bypass_spam_checks, \@bypass_spam_checks_acl, \$bypass_spam_checks_re);

1;  # ensure a defined return

 

/etc/default/spamassassin

 

ENABLED=1
#---------------------------------
CRON=1

 

/etc/amavis/conf.d/50-user

 

use strict;
 
#
# Place your configuration directives here.  They will override those in
# earlier files.
#
# See /usr/share/doc/amavisd-new/ for documentation and examples of
# the directives you can use in this file
#
 
# Three concurrent processes. This should fit into the RAM available on an
# AWS micro instance. This has to match the number of processes specified
# for Amavis in /etc/postfix/master.cf.
$max_servers  = 3;
 
# Add spam info headers if at or above that level - this ensures they
# are always added.
$sa_tag_level_deflt  = -9999;
 
# Check the database to see if mail is for local delivery, and thus
# should be spam checked.
@lookup_sql_dsn = (
    ['DBI:mysql:database=mail;host=127.0.0.1;port=3306',
     'mail',
     '비밀번호']);
$sql_select_policy = 'SELECT domain from domain WHERE CONCAT("@",domain) IN (%k)';
 
# Uncomment to bump up the log level when testing.
# $log_level = 2;
 
#------------ Do not modify anything below this line -------------
1;  # ensure a defined return
 

 

ClamAV 데이터베이스 업데이트

 

freshclam

 

서비스 재시작

 

service clamav-daemon restart
service amavis restart
service spamassassin restart

 

Postfix 설정

 

아래 파일들 새로 생성

/etc/postfix/mysql_virtual_alias_domainaliases_maps.cf

 

user = mail
password = mailpassword
hosts = 127.0.0.1
dbname = mail
query = SELECT goto FROM alias,alias_domain
  WHERE alias_domain.alias_domain = '%d'
  AND alias.address=concat('%u', '@', alias_domain.target_domain)
  AND alias.active = 1

 

/etc/postfix/mysql_virtual_alias_maps.cf

 

user = mail
password = mailpassword
hosts = 127.0.0.1
dbname = mail
table = alias
select_field = goto
where_field = address
additional_conditions = and active = '1'

 

/etc/postfix/mysql_virtual_domains_maps.cf

 

user = mail
password = mailpassword
hosts = 127.0.0.1
dbname = mail
table = domain
select_field = domain
where_field = domain
additional_conditions = and backupmx = '0' and active = '1'

 

/etc/postfix/mysql_virtual_mailbox_domainaliases_maps.cf

 

user = mail
password = mailpassword
hosts = 127.0.0.1
dbname = mail
query = SELECT maildir FROM mailbox, alias_domain
  WHERE alias_domain.alias_domain = '%d'
  AND mailbox.username=concat('%u', '@', alias_domain.target_domain )
  AND mailbox.active = 1

 

/etc/postfix/mysql_virtual_mailbox_maps.cf

 

user = mail
password = mailpassword
hosts = 127.0.0.1
dbname = mail
table = mailbox
select_field = CONCAT(domain, '/', local_part)
where_field = username
additional_conditions = and active = '1'

 

/etc/postfix/mysql_virtual_sender_login_maps.cf

 

user = mail
password = mailpassword
hosts = 127.0.0.1
dbname = mail
query = SELECT goto FROM alias WHERE address='%s'

 

/etc/postfix/header_checks

 

/^Received:/                 IGNORE
/^User-Agent:/               IGNORE
/^X-Mailer:/                 IGNORE
/^X-Originating-IP:/         IGNORE
/^x-cr-[a-z]*:/              IGNORE
/^Thread-Index:/             IGNORE

 

/etc/postfix/main.cf 설정

 

# See /usr/share/postfix/main.cf.dist for a commented, more complete version

# The first text sent to a connecting process.
smtpd_banner = $myhostname ESMTP $mail_name
biff = no
# appending .domain is the MUA's job.
append_dot_mydomain = no
readme_directory = no

# ---------------------------------
# SASL parameters
# ---------------------------------

# Use Dovecot to authenticate.
smtpd_sasl_type = dovecot
# Referring to /var/spool/postfix/private/auth
smtpd_sasl_path = private/auth
smtpd_sasl_auth_enable = yes
broken_sasl_auth_clients = yes
smtpd_sasl_security_options = noanonymous
smtpd_sasl_local_domain =
smtpd_sasl_authenticated_header = yes

# ---------------------------------
# TLS parameters
# ---------------------------------

# The default snakeoil certificate. Comment if using a purchased
# SSL certificate.
smtpd_tls_cert_file=/etc/letsencrypt/live/mail.ddart.net/fullchain.pem
smtpd_tls_key_file=/etc/letsencrypt/live/mail.ddart.net/privkey.pem

# Uncomment if using a purchased SSL certificate.
# smtpd_tls_cert_file=/etc/ssl/certs/example.com.crt
# smtpd_tls_key_file=/etc/ssl/private/example.com.key

# The snakeoil self-signed certificate has no need for a CA file. But
# if you are using your own SSL certificate, then you probably have
# a CA certificate bundle from your provider. The path to that goes
# here.
# smtpd_tls_CAfile=/etc/ssl/certs/ca-bundle.crt

# Ensure we're not using no-longer-secure protocols.
smtpd_tls_mandatory_protocols=!SSLv2,!SSLv3

smtp_tls_note_starttls_offer = yes
smtpd_tls_loglevel = 1
smtpd_tls_received_header = yes
smtpd_tls_session_cache_timeout = 3600s
tls_random_source = dev:/dev/urandom
#smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
#smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

# Note that forcing use of TLS is going to cause breakage - most mail servers
# don't offer it and so delivery will fail, both incoming and outgoing. This is
# unfortunate given what various governmental agencies are up to these days.
#
# Enable (but don't force) all incoming smtp connections to use TLS.
smtpd_tls_security_level = may
# Enable (but don't force) all outgoing smtp connections to use TLS.
smtp_tls_security_level = may

# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
# information on enabling SSL in the smtp client.

# ---------------------------------
# TLS Updates relating to Logjam SSL attacks.
# See: https://weakdh.org/sysadmin.html
# ---------------------------------

smtpd_tls_exclude_ciphers = aNULL, eNULL, EXPORT, DES, RC4, MD5, PSK, aECDH, EDH-DSS-DES-CBC3-SHA, EDH-RSA-DES-CDC3-SHA, KRB5-DE5, CBC3-SHA
smtpd_tls_dh1024_param_file = /etc/ssl/private/dhparams.pem

# ---------------------------------
# SMTPD parameters
# ---------------------------------

# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h
# will it be a permanent error or temporary
unknown_local_recipient_reject_code = 450
# how long to keep message on queue before return as failed.
maximal_queue_lifetime = 7d
# max and min time in seconds between retries if connection failed
minimal_backoff_time = 1000s
maximal_backoff_time = 8000s
# how long to wait when servers connect before receiving rest of data
smtp_helo_timeout = 60s
# how many address can be used in one message.
# effective stopper to mass spammers, accidental copy in whole address list
# but may restrict intentional mail shots.
smtpd_recipient_limit = 16
# how many error before back off.
smtpd_soft_error_limit = 3
# how many max errors before blocking it.
smtpd_hard_error_limit = 12

# This next set are important for determining who can send mail and relay mail
# to other servers. It is very important to get this right - accidentally producing
# an open relay that allows unauthenticated sending of mail is a Very Bad Thing.
#
# You are encouraged to read up on what exactly each of these options accomplish.

# Requirements for the HELO statement
smtpd_helo_restrictions = permit_mynetworks, warn_if_reject reject_non_fqdn_hostname, reject_invalid_hostname, permit
# Requirements for the sender details. Note that the order matters.
# E.g. see http://jimsun.linxnet.com/misc/restriction_order_prelim-03.txt
smtpd_sender_restrictions = permit_mynetworks, reject_authenticated_sender_login_mismatch, permit_sasl_authenticated, warn_if_reject reject_non_fqdn_sender, reject_unknown_sender_domain, reject_unauth_pipelining, permit
# Requirements for the connecting server
smtpd_client_restrictions = reject_rbl_client sbl.spamhaus.org, reject_rbl_client blackholes.easynet.nl
# Requirement for the recipient address. Note that the entry for
# "check_policy_service inet:127.0.0.1:10023" enables Postgrey.
smtpd_recipient_restrictions = reject_unauth_pipelining, permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_recipient, reject_unknown_recipient_domain, reject_unauth_destination, check_policy_service inet:127.0.0.1:10023, permit
smtpd_data_restrictions = reject_unauth_pipelining
# This is a new option as of Postfix 2.10, and is required in addition to
# smtpd_recipient_restrictions for things to work properly in this setup.
smtpd_relay_restrictions = reject_unauth_pipelining, permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_recipient, reject_unknown_recipient_domain, reject_unauth_destination, check_policy_service inet:127.0.0.1:10023, permit

# require proper helo at connections
smtpd_helo_required = yes
# waste spammers time before rejecting them
smtpd_delay_reject = yes
disable_vrfy_command = yes

# ---------------------------------
# General host and delivery info
# ----------------------------------

myhostname = mail.ddart.net
myorigin = /etc/hostname
# Some people see issues when setting mydestination explicitly to the server
# subdomain, while leaving it empty generally doesn't hurt. So it is left empty here.
# mydestination = mail.ddart.net, localhost
mydestination =
# If you have a separate web server that sends outgoing mail through this
# mailserver, you may want to add its IP address to the space-delimited list in
# mynetworks, e.g. as 10.10.10.10/32.
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
mynetworks_style = host

# This specifies where the virtual mailbox folders will be located.
virtual_mailbox_base = /var/vmail
# This is for the mailbox location for each user. The domainaliases
# map allows us to make use of Postfix Admin's domain alias feature.
virtual_mailbox_maps = mysql:/etc/postfix/mysql_virtual_mailbox_maps.cf, mysql:/etc/postfix/mysql_virtual_mailbox_domainaliases_maps.cf
# and their user id
virtual_uid_maps = static:150
# and group id
virtual_gid_maps = static:8
# This is for aliases. The domainaliases map allows us to make
# use of Postfix Admin's domain alias feature.
virtual_alias_maps = mysql:/etc/postfix/mysql_virtual_alias_maps.cf, mysql:/etc/postfix/mysql_virtual_alias_domainaliases_maps.cf
# This is for domain lookups.
virtual_mailbox_domains = mysql:/etc/postfix/mysql_virtual_domains_maps.cf
# Used in conjunction with reject_authenticated_sender_login_mismatch to
# verify that the sender is sending with their own address, or with one
# of the aliases mapped to that address.
smtpd_sender_login_maps = mysql:/etc/postfix/mysql_virtual_sender_login_maps.cf

# ---------------------------------
# Integration with other packages
# ---------------------------------------

# Tell postfix to hand off mail to the definition for dovecot in master.cf
virtual_transport = dovecot
dovecot_destination_recipient_limit = 1

# Use amavis for virus and spam scanning
content_filter = amavis:[127.0.0.1]:10024

# ---------------------------------
# Header manipulation
# --------------------------------------

# Getting rid of unwanted headers. See: https://posluns.com/guides/header-removal/
header_checks = regexp:/etc/postfix/header_checks
# getting rid of x-original-to
enable_original_recipient = no
 

 

/etc/postfix/master.cf

 

#
# Postfix master process configuration file.  For details on the format
# of the file, see the master(5) manual page (command: "man 5 master").
#
# Do not forget to execute "postfix reload" after editing this file.
#
# ==========================================================================
# service type  private unpriv  chroot  wakeup  maxproc command + args
#               (yes)   (yes)   (yes)   (never) (100)
# ==========================================================================
 
# SMTP on port 25, unencrypted.
smtp      inet  n       -       -       -       -       smtpd
#smtp      inet  n       -       -       -       1       postscreen
#smtpd     pass  -       -       -       -       -       smtpd
#dnsblog   unix  -       -       -       -       0       dnsblog
#tlsproxy  unix  -       -       -       -       0       tlsproxy
 
# SMTP with TLS on port 587. Currently commented.
#submission inet n       -       -       -       -       smtpd
#  -o syslog_name=postfix/submission
#  -o smtpd_tls_security_level=encrypt
#  -o smtpd_sasl_auth_enable=yes
#  -o smtpd_enforce_tls=yes
#  -o smtpd_client_restrictions=permit_sasl_authenticated,reject_unauth_destination,reject
#  -o smtpd_sasl_tls_security_options=noanonymous
 
# SMTP over SSL on port 465.
smtps     inet  n       -       -       -       -       smtpd
  -o syslog_name=postfix/smtps
  -o smtpd_tls_wrappermode=yes
  -o smtpd_sasl_auth_enable=yes
  -o smtpd_tls_auth_only=yes
  -o smtpd_client_restrictions=permit_sasl_authenticated,reject_unauth_destination,reject
  -o smtpd_sasl_security_options=noanonymous,noplaintext
  -o smtpd_sasl_tls_security_options=noanonymous
 
#628       inet  n       -       -       -       -       qmqpd
pickup    fifo  n       -       -       60      1       pickup
  -o content_filter=
  -o receive_override_options=no_header_body_checks
cleanup   unix  n       -       -       -       0       cleanup
qmgr      fifo  n       -       n       300     1       qmgr
#qmgr     fifo  n       -       n       300     1       oqmgr
tlsmgr    unix  -       -       -       1000?   1       tlsmgr
rewrite   unix  -       -       -       -       -       trivial-rewrite
bounce    unix  -       -       -       -       0       bounce
defer     unix  -       -       -       -       0       bounce
trace     unix  -       -       -       -       0       bounce
verify    unix  -       -       -       -       1       verify
flush     unix  n       -       -       1000?   0       flush
proxymap  unix  -       -       n       -       -       proxymap
proxywrite unix -       -       n       -       1       proxymap
smtp      unix  -       -       -       -       -       smtp
relay     unix  -       -       -       -       -       smtp
#       -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
showq     unix  n       -       -       -       -       showq
error     unix  -       -       -       -       -       error
retry     unix  -       -       -       -       -       error
discard   unix  -       -       -       -       -       discard
local     unix  -       n       n       -       -       local
virtual   unix  -       n       n       -       -       virtual
lmtp      unix  -       -       -       -       -       lmtp
anvil     unix  -       -       -       -       1       anvil
scache    unix  -       -       -       -       1       scache
#
# ====================================================================
# Interfaces to non-Postfix software. Be sure to examine the manual
# pages of the non-Postfix software to find out what options it wants.
#
# Many of the following services use the Postfix pipe(8) delivery
# agent.  See the pipe(8) man page for information about ${recipient}
# and other message envelope options.
# ====================================================================
#
# maildrop. See the Postfix MAILDROP_README file for details.
# Also specify in main.cf: maildrop_destination_recipient_limit=1
#
maildrop  unix  -       n       n       -       -       pipe
  flags=DRhu user=vmail argv=/usr/bin/maildrop -d ${recipient}
#
# ====================================================================
#
# Recent Cyrus versions can use the existing "lmtp" master.cf entry.
#
# Specify in cyrus.conf:
#   lmtp    cmd="lmtpd -a" listen="localhost:lmtp" proto=tcp4
#
# Specify in main.cf one or more of the following:
#  mailbox_transport = lmtp:inet:localhost
#  virtual_transport = lmtp:inet:localhost
#
# ====================================================================
#
# Cyrus 2.1.5 (Amos Gouaux)
# Also specify in main.cf: cyrus_destination_recipient_limit=1
#
#cyrus     unix  -       n       n       -       -       pipe
#  user=cyrus argv=/cyrus/bin/deliver -e -r ${sender} -m ${extension} ${user}
#
# ====================================================================
# Old example of delivery via Cyrus.
#
#old-cyrus unix  -       n       n       -       -       pipe
#  flags=R user=cyrus argv=/cyrus/bin/deliver -e -m ${extension} ${user}
#
# ====================================================================
#
# See the Postfix UUCP_README file for configuration details.
#
uucp      unix  -       n       n       -       -       pipe
  flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
#
# Other external delivery methods.
#
ifmail    unix  -       n       n       -       -       pipe
  flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
bsmtp     unix  -       n       n       -       -       pipe
  flags=Fq. user=bsmtp argv=/usr/lib/bsmtp/bsmtp -t$nexthop -f$sender $recipient
scalemail-backend unix  -       n       n       -       2       pipe
  flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store ${nexthop} ${user} ${extension}
mailman   unix  -       n       n       -       -       pipe
  flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py
  ${nexthop} ${user}
 
# The next two entries integrate with Amavis for anti-virus/spam checks.
amavis      unix    -       -       -       -       3       smtp
  -o smtp_data_done_timeout=1200
  -o smtp_send_xforward_command=yes
  -o disable_dns_lookups=yes
  -o max_use=20
127.0.0.1:10025 inet    n       -       -       -       -       smtpd
  -o content_filter=
  -o local_recipient_maps=
  -o relay_recipient_maps=
  -o smtpd_restriction_classes=
  -o smtpd_delay_reject=no
  -o smtpd_client_restrictions=permit_mynetworks,reject
  -o smtpd_helo_restrictions=
  -o smtpd_sender_restrictions=
  -o smtpd_recipient_restrictions=permit_mynetworks,reject
  -o smtpd_data_restrictions=reject_unauth_pipelining
  -o smtpd_end_of_data_restrictions=
  -o mynetworks=127.0.0.0/8
  -o smtpd_error_sleep_time=0
  -o smtpd_soft_error_limit=1001
  -o smtpd_hard_error_limit=1000
  -o smtpd_client_connection_count_limit=0
  -o smtpd_client_connection_rate_limit=0
  -o receive_override_options=no_header_body_checks,no_unknown_recipient_checks
 
# Integration with Dovecot - hand mail over to it for local delivery, and
# run the process under the vmail user and mail group.
dovecot      unix   -        n      n       -       -   pipe
  flags=DRhu user=vmail:mail argv=/usr/lib/dovecot/dovecot-lda -d $(recipient)
 

 

모든 서비스 재시작 및 테스트

 

service postfix restart
service spamassassin restart
service clamav-daemon restart
service clamav-freshclam restart
service amavis restart
service dovecot restart
 

 

아웃룩으로 계정 추가해 테스트 한다.

설정 Advance 탭에서 POP3 에 SSL 체크하고 SMTP는 Auto 로 설정해야함.

웹메일, 모니터링 툴등은 다음에..

 


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