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Sendmail简单配置(1)

2009-10-10 18:34 344 查看
Sendmail简单配置(1)
RHEL5.3 基本网络配置
一、
1、RHEL5 U3:如图1



(如图1)
2、#hostname //查看当前主机的主机名:如图2



(如图2)
3、#vi /etc/sysconfig/network-scripts/ifcfg-eth0 编辑指定网络接口配置文件:如图3



(如图3)
4、#vi /etc/sysconfig/network 通过配置文件修改主机名:如图4



(如图4)
5、在终端字符界面修改其字体和中文字体大小:如图5



(如图5)
6、挂载光盘:如图6



(如图6)
7、查看OpenSSH是否安装:如图7



(如图7)
8#vi /etc/hosts 设置本地DNS解析文件:如图8



(如图8)
9#vi /etc/resolv.conf 指定当前主机的DNS服务器,最多可指定三个:如图9



(如图9)
10、关闭iptables防火墙:如图10












(如图10)
二、DNS简单配置
1、vim /etc/named.conf



2、vim /var/named/benet.com.zone



3、vim /var/named/1.168.192.in-addr.arpa.zone



4、nslookup查看



三、sendmail简单配置
1、安装sendmail
root@dns ~]# mount /dev/hdc /mnt/dvd/
mount: block device /dev/hdc is write-protected, mounting read-only
[root@dns ~]# cd /mnt/dvd/Server/
[root@dns Server]# rpm -qa | grep sendmail
sendmail-8.13.8-2.el5
[root@dns Server]# ls sendmail*
sendmail-8.13.8-2.el5.i386.rpm sendmail-devel-8.13.8-2.el5.i386.rpm
sendmail-cf-8.13.8-2.el5.i386.rpm sendmail-doc-8.13.8-2.el5.i386.rpm
[root@dns Server]# rpm -ivh --aid sendmail-cf-8.13.8-2.el5.i386.rpm
warning: sendmail-cf-8.13.8-2.el5.i386.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
Preparing... ########################################### [100%]
1:sendmail-cf ########################################### [100%]
[root@dns Server]# rpm -ivh --aid sendmail-devel-8.13.8-2.el5.i386.rpm
warning: sendmail-devel-8.13.8-2.el5.i386.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
Preparing... ########################################### [100%]
1:sendmail-devel ########################################### [100%]
[root@dns Server]# rpm -ivh --aid sendmail-doc-8.13.8-2.el5.i386.rpm
warning: sendmail-doc-8.13.8-2.el5.i386.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
Preparing... ########################################### [100%]
1:sendmail-doc ########################################### [100%]
[root@dns Server]#
[root@dns Server]# rpm -qa | grep sendmail
sendmail-devel-8.13.8-2.el5
sendmail-doc-8.13.8-2.el5
sendmail-cf-8.13.8-2.el5
sendmail-8.13.8-2.el5
[root@dns Server]# rpm -qa | grep m4
m4-1.4.5-3.el5.1






2、修改vim /etc/mail/sendmail.mc
116将smtp侦听范围从127.0.0.1改为0.0.0.0



155行修改成自己域:LOCAL_DOMAIN(`benet.com')dnl



3使用m4命令生成sendmail.cf文件
m4 /etc/mail/sendmail.mc > /etc/mail/sendmail.cf
4、修改local-host-names文件添加域名及主机名
vim /etc/mail/local-host-names
[root@dns Server]# m4 /etc/mail/sendmail.mc > /etc/mail/sendmail.cf
[root@dns Server]# vim /etc/mail/local-host-names
# local-host-names - include all aliases for your machine here.
benet.com.
mail.benet.com.
~
~
~
"/etc/mail/local-host-names" 3L, 91C 已写入
[root@dns Server]#



5、安装Dovecot软件包(POP3和IMAP
[root@dns Server]# rpm -ivh --aid mysql-5.0.45-7.el5.i386.rpm
warning: mysql-5.0.45-7.el5.i386.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
error: Failed dependencies:
perl(DBI) is needed by mysql-5.0.45-7.el5.i386
[root@dns Server]# rpm -ivh --aid perl-DBI-1.52-2.el5.i386.rpm
warning: perl-DBI-1.52-2.el5.i386.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
Preparing... ########################################### [100%]
1:perl-DBI ########################################### [100%]
[root@dns Server]# rpm -ivh --aid mysql-5.0.45-7.el5.i386.rpm
warning: mysql-5.0.45-7.el5.i386.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
Preparing... ########################################### [100%]
1:mysql ########################################### [100%]
[root@dns Server]# rpm -ivh --aid dovecot-1.0.7-7.el5.i386.rpm
warning: dovecot-1.0.7-7.el5.i386.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
Preparing... ########################################### [100%]
1:dovecot ########################################### [100%]
6、启动sendmail和dovecot服务
[root@dns Server]# service sendmail restart
关闭 sm-client: [确定]
关闭 sendmail: [确定]
启动 sendmail: [确定]
启动 sm-client: [确定]
[root@dns Server]# service dovecot restart
停止 Dovecot Imap: [确定]
启动 Dovecot Imap: [确定]
[root@dns Server]#



7、查看端口netstat
[root@dns Server]# netstat -ntl
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 127.0.0.1:2208 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:688 0.0.0.0:* LISTEN
tcp 0 0 192.168.1.200:53 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:953 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:2207 0.0.0.0:* LISTEN
tcp 0 0 :::993 :::* LISTEN
tcp 0 0 :::995 :::* LISTEN
tcp 0 0 :::110 LISTEN
tcp 0 0 :::143 :::* LISTEN
tcp 0 0 :::22 :::* LISTEN
tcp 0 0 ::1:953 :::* LISTEN
[root@dns Server]# netstat -an | grep 25
tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN
udp 0 0 0.0.0.0:52546 0.0.0.0:*
unix 2 [ ] DGRAM 8925
[root@dns Server]# netstat -an | grep 110
tcp 0 0 :::110 LISTEN
[root@dns Server]# netstat -an | grep 143
tcp 0 0 :::143 :::* LISTEN
unix 2 [ ] STREAM CONNECTED 10143 /var/run/setrans/.setrans-unix



8、验证Sendmail的SMTP认证功能telnet localhost 25
[root@dns Server]# telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
220 dns.benet.com ESMTP Sendmail 8.13.8/8.13.8; Sat, 10 Oct 2009 22:15:28 +0800
ehlo localhost
250-dns.benet.com Hello localhost.localdomain [127.0.0.1], pleased to meet you
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-8BITMIME
250-SIZE
250-DSN
250-ETRN
250-DELIVERBY
250 HELP
quit
221 2.0.0 dns.benet.com closing connection
Connection closed by foreign host.
[root@dns Server]# telnet localhost 110
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
+OK Dovecot ready.
quit
+OK Logging out
Connection closed by foreign host.
[root@dns Server]#



telnet mail.benet.com 25



telnet mail.benet.com 110



9、建立用户
[root@dns Server]# useradd zhangsan
[root@dns Server]# passwd zhangsan
Changing password for user zhangsan.
New UNIX password:
BAD PASSWORD: it is based on a dictionary word
Retype new UNIX password:
passwd: all authentication tokens updated successfully.
[root@dns Server]# useradd lisi
[root@dns Server]# passwd lisi
Changing password for user lisi.
New UNIX password:
BAD PASSWORD: it is based on a dictionary word
Retype new UNIX password:
passwd: all authentication tokens updated successfully.
[root@dns Server]#
10、客户端测试































配置文件在附件里面:
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