리눅스 센토스에서 메일 서버 구축하는 방법

참고서적 : 이것이 리눅스다-우재남

                   리눅스 서버관리 바이블-정철

호스트네임 변경

# vim /etc/hostname

mail.myhomepage.com

:wq

# vim /etc/hosts

192.168.111.100 mail.myhomepage.com

:wq

# vim /etc/sysconfig/network

HOSTNAME=mail.myhomepage.com

# yum -y install sendmail

# vim /etc/mail/local-host-names

mail.myhomepage.com

:wq

# reboot

# yum -y install bind bind-chroot

# vi /etc/named.conf

13번째  ( => 변경)

 listen-on port 53{ 127.0.0.1; };  => listen-on port 53{ any; }; 

 listen-on-v6 port 53 { ::1;} ;   => listen-on-v6 port 53 { none;} ;

 allow-query { localhost; } ; => allow-auery { any; } ;

\

54번째

zone "." IN {

  type hint;

  file "named.ca";

};

변경

zone "myhomepage.com" IN {

  type master;

  file "myhomepage.ca";

  allow-update {none;};

};

:wq

# named-checkconf

# cd /var/named/

# ll

# vim myhoepage.zone

$TTL    10H

@       SOA  @  root. (20230913 1D 1H 1W 1H)

        IN  NS  @

IN  A  192.168.0.100

IN  MX 10 mail.myhomepage.com.

mail    IN  A   192.168.0.100

www     IN  A   192.168.0.100

:wq

# name-checkzone myhomepage.com myhomepage.zone

# systemctl restart named

# systemctl enable named

# systemctl stop firewalld

# systemctl disable firewalld

# setenforce 0

#nslookup

> server mail.myhomeage.com

> vim /etc/sysconfig/networt-scripts/ipcfg-ens32

#나 자신으로 변경

DNS1 = 192.168.111.100

# systemctl restat network

# nslookup

> server mail.myhomepage.com

메일서버 설치

# yum -y install sendmail sendmail-cf dovecot

# vin /etc/mail/sendmail.cf

85번째

Cwlocalhost   => Cwmyhomepage.com

264번째

DaemonPort0ptions=Port=smtp,Addr=127.0.0.1, Name=MTA  => DaemonPort0ptions=Port=smtp, Name=MTA

:wq

systemctl restart sendmail

# vim /etc/mail/access

#추가

myhomepage.com     RELAY

192.168.111        RELAY

:wq

# makemap hash /etc/mail/access < /etc/mail/access

# vim /etc/dovecot/dovecot.conf

24행

#protocols = imap pop3 lmtp => protocols = imap pop3 lmtp

30행

#listen = *, ::  => listen = *, ::

33행

#base_dir /var/run/dovecot/  => base_dir /var/run/dovecot/ 

:wq

# vim /etc/dovecot/conf.d/10-ssl.conf

8행

ssl = required  => ssl=yes

:wq

#vim /etc/dovecot/conf.d/10-mail.conf

25번째

# mail_location = mbox: ~mail:INBOX=/var/mail/%  => 주석 제거 mail_location = mbox: ~mail:INBOX=/var/mail/%

121번째

# mail_access_griups =   =>   mail_access_griups = mail

166번째

# locak_method = fcntl  => locak_method = fcntl

:wq

# vim /etc/dovecot/conf.d/10-auth.conf

10번

disable_plaintext_auth yes => disable_plaintext_auth = no

:wq

# useradd 아이디 

# passwd 아이디

# systemctl restart sendmail

# systemctl  enable sendmail

# systemctl restart dovecot

# systemctl enable dovecot

메일 웹 페이지 설치

# yum -y install thunderbird