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Sendmail配置

Sendmail 做法

1:DNS的配置

#cd /etc/resolv.conf

#vi resolv.conf

domain bbs.com

servername 192.168.0.1

:wq

vi /etc/named.conf 如:

zone "bbs.com" IN {

    type master;

    file "bbs.com.zone";

    allow-update { none; };

};

zone "0.168.192.in-addr.arpa" IN {

    type master;

    file "192.168.0.zone";

    allow-update { none; };

};

添加区域

cd /var/named/ 正向如:

#cp named.local bbs.com.zone

#vi bbs.com.zone

$TTL    86400

@       IN      SOA     kiss.bbs.com. root.localhost.  (

                                      1997022700 ; Serial

                                      28800      ; Refresh

                                      14400      ; Retry

                                      3600000    ; Expire

                                      86400 )    ; Minimum

              IN      NS      kiss.bbs.com.

              IN     MX 10     kiss.bbs.com.

kiss     IN     A             192.168.0.1

www      IN    CNAME         kiss.bbs.com.

反向如:

#cp named.local 192.168.0.zone

#vi 192.168.0.zone

$TTL    86400

@       IN      SOA     kiss.bbs.com. root.localhost.  (

                                      1997022700 ; Serial

                                      28800      ; Refresh

                                      14400      ; Retry

                                      3600000    ; Expire

                                      86400 )    ; Minimum

IN      NS      kiss.bbs.com.

1(最后的IP)           IN      PTR     kiss.bbs.com.

测试区域文件:

#named-checkconf

#named-checkzone bbs.com bbs.com.zone

#named-checkzone 0.168.192.in-addr.arpa 192.168.0.zone

测试记录:

#nslookup

>set type=SOA

>bbs.com

>set type=NS

>bbs.com

>set type=A

>kiss.bbs.com

>set type=MX

>bbs.com

>exit

 测试DNS:

#pidof named

#netstat –ln | grep 53 看端口是否看放

#rndc reload 加载配置文件          

2:装sendmail包:

rpm –ivh imap*(第2张盘)

rpm –vih m4* (第1张盘)

rpm _ivh sendmail* --force 装坏时用(第3张盘)

3.#cd /etc/mail/

#vi sendmail.mc

:set nu 显示行号

改动85行:127.0.0.1 为 0.0.0.0

保存

#m4 sendmail.mc > sendmail.cf 

# vi  access

192.168.0       RELAY

bbs.com     RELAY

#makemap hash (哈西算法) access.db < access 使文件生效

  

#vi  loca-host-names

bbs.com

kiss.bbs.com

#setup

选中:imap,imaps,pop3,pop2,sendmail

#service sendmail restart

#service xinetd restart

高级设置:

限制邮件大小:

#vi sendmail.cf

185 行:去注示  maxmessagesize=(大小)KB

设置别名:

# cd /etc/

# vi aliases用户名:别名


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