cnet os 5.5 postfix smtp設定

# service sendmail stop

#rpm -e sendmail-cf-8.13.8-8.el5.i386

# yum install postfix

[root@linux ~]# postfix check   <==檢查 postfix 相關的檔案、權限等是否正確！

[root@linux ~]# postfix start   <==開始 postfix 的執行

[root@linux ~]# postfix stop    <==關閉 postfix

[root@linux ~]# postfix flush   <==強制將目前正在郵件佇列的郵件寄出！

[root@linux ~]# postfix reload  <==重新讀入設定檔，也就是 /etc/postfix/main.cf

vi /etc/postfix/main.cf

        myhostname = xxx.xxx.xxx

        myorigin = $myhostname

               

inet_interfaces = all

由於如果有重複設定項目時，會以最晚出現的設定值為準，所以當你設定為『inet_interfaces = all』時，請將 inet_interfaces = localhost 那一行註解掉啊

vi /etc/dovecot.conf

protocols = pop3

listen = *

/etc/init.d/dovecot start

# vi /etc/postfix/main.cf

# 在本檔案最後面增加這些設定資料：

        smtpd_sasl_auth_enable = yes

        smtpd_sasl_security_options = noanonymous

        broken_sasl_auth_clients = yes

# 然後找到跟 relay 有關的設定項目，增加一段允許 SMTP 認證的字樣：

smtpd_recipient_restrictions =

        permit_mynetworks

        permit_sasl_authenticated

        reject_unauth_destination

        reject_rbl_client cbl.abuseat.org

        reject_rbl_client bl.spamcop.net

        reject_rbl_client cblless.anti-spam.org.cn

        reject_rbl_client sbl-xbl.spamhaus.org

        check_policy_service unix:/var/spool/postfix/postgrey/socket

[root@linux ~]# /etc/init.d/postfix restart

http://cbl.abuseat.org/lookup.cgi?ip=112.104.222.82&.submit=Lookup 黑名單確認站

測試

[root@112-104-219-213 ~]# telnet localhost 25

Trying 127.0.0.1...

Connected to localhost.localdomain (127.0.0.1).

Escape character is '^]'.

220 mg.twbbs.org ESMTP Postfix

ehlo localhost

250-mg.twbbs.org

250-PIPELINING

250-SIZE 10240000

250-VRFY

250-ETRN

250-AUTH PLAIN LOGIN

250-AUTH=PLAIN LOGIN

250-ENHANCEDSTATUSCODES

250-8BITMIME

250 DSN