安裝 Mail Server 程序

su - root
yum install sendmail sendmail-cf dovecot cyrus-sasl cyrus-sasl-devel cyrus-sasl-plain cyrus-sasl-md5 perl spamassassin

vi /usr/lib64/sasl2/Sendmail.conf

log_level: 3
pwcheck_method: saslauthd
mech_list: PLAIN LOGIN 

chkconfig saslauthd on
service saslauthd restart

vi /etc/mail/sendmail.mc

:
TRUST_AUTH_MECH(`EXTERNAL DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl
define(`confAUTH_MECHANISMS', `EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl
:
DAEMON_OPTIONS(`Port=smtp,Addr=0.0.0.0, Name=MTA')dnl
:

cd /etc/mail
mv sendmail.cf sendmail.cf.back1
m4 sendmail.mc > sendmail.cf

vi /etc/mail/local-host-names

# local-host-names - include all aliases for your machine here.
ichiayi.com
mail.ichiayi.com
corp.ichiayi.com
server.ichiayi.com
trysoft.tw
mail.trysoft.tw
xdsl.uimt.com

vi /etc/mail/access

:
localhost.localdomain           RELAY
localhost                       RELAY
127.0.0.1                       RELAY
61.67.71.91                     RELAY
:

vi /etc/aliases

:
# Person who should get root's mail
root:           [email protected]
 
# Other persons aliases
jonathan:       jtsai
photo:          tryweb
backup:         tryweb
 
# Mail List
# G2B2C Mail List
boxteam:        :include: /etc/mail/boxteam.txt
moeateam:       :include: /etc/mail/moeateam.txt

newaliases

1. 輸入 telnet localhost 25

   [root@centos5 mail]# telnet localhost 25
   Trying 127.0.0.1...
   Connected to vm-mail.ichiayi.com (127.0.0.1).
   Escape character is '^]'.
   220 vm-mail.ichiayi.com ESMTP Sendmail 8.13.8/8.13.8; Fri, 14 Mar 2008 07:12:12 +0800

2. 輸入 smtp 命令 ehlo localhost

   250-vm-mail.ichiayi.com Hello centos5 [127.0.0.1], pleased to meet you
   250-ENHANCEDSTATUSCODES
   250-PIPELINING
   250-8BITMIME
   250-SIZE
   250-DSN
   250-AUTH LOGIN PLAIN
   250-DELIVERBY
   250 HELP

3. 這時如果沒有出現 AUTH LOGIN PLAIN 那就是設定有問題，可能是 sendmail.mc 內的 TRUST_AUTH_MECH 定義前面 dnl 沒拿掉的問題
4. 最後透過 quit 離開 smtp 互動模式

   quit
   221 2.0.0 vm-mail.ichiayi.com closing connection
   Connection closed by foreign host.
   [root@centos5 mail]#

su - root
yum install zlib zlib-devel
cd MailSource
wget http://heanet.dl.sourceforge.net/sourceforge/clamav/clamav-0.94.tar.gz
tar -zxvf clamav-0.94.tar.gz
cd clamav-0.94
useradd clamav
./configure
make
make install

安裝前要先建立 clamav 的帳號與群組, 如果 zlib 版本低於 1.2.2 則需要加上 –disable-zlib-vcheck 參數

su - root
yum install rpm-build binutils glibc-devel gcc make
mkdir -p /root/MailSource
cd /root/MailSource
wget https://s3.amazonaws.com/msv5/release/MailScanner-5.0.3-7.rhel.tar.gz
tar -zxvf MailScanner-5.0.3-7.rhel.tar.gz
cd MailScanner-5.0.3-7
./install.sh

:
%org-name% = Trysoft
:
%org-long-name% = Trysoft Corp.
:
%web-site% = www.ichiayi.com
:
Virus Scanners = auto
:
Sign Clean Messages = no
:
Spam Subject Text = [*Trysoft-SPAM*]
:
High Scoring Spam Subject Text = [*Trysoft-SPAM*]
:
Send Notices = no
:
Spam List = SBL+XBL spamhaus-PBL CBL DSBL spamhaus-ZEN  # You can un-comment this to enable them
:
Is Definitely Spam = %rules-dir%/spam.blacklist.rules
:
Spam Actions = store
:
High Scoring Spam Actions = store
:
SpamAssassin User State Dir = /var/spool/MailScanner/spamassassin
:
SpamAssassin Install Prefix = /usr
:

cd /etc/MailScanner
upgrade_MailScanner_conf MailScanner.conf MailScanner.conf.rpmnew > MailScanner.new
mv -f MailScanner.conf MailScanner.old
mv -f MailScanner.new  MailScanner.conf