Webmail郵件伺服器搭建-有問題-郵件發出去,對方收不到

#搭建WebMail郵件伺服器#1.關閉系統預設安裝的 sendmail：[root@red4 ~]# service sendmail stop關閉 sendmail：                                            [失敗][root@red4 ~]#[root@red4 ~]# chkconfig --level 35 sendmail off[root@red4 ~]#[root@red4 ~]# chkconfig --list sendmailsendmail        0:關閉  1:關閉  2:關閉  3:關閉  4:關閉  5:關閉  6:關閉[root@red4 ~]##2.安裝提供郵件服務的軟體包[root@red4 ~]# yum list | grep postfixThis system is not registered with RHN.RHN support will be disabled.postfix.i386                               2:2.3.3-2.1.el5_2           rhel5    postfix-pflogsumm.i386                     2:2.3.3-2.1.el5_2           rhel5    [root@red4 ~]# yum install -y postfix#3.修改設定檔[root@red4 ~]# cd /etc/postfix/[root@red4 postfix]# lsaccess             generic        main.cf          master.cf       post-install  transportbounce.cf.default  header_checks  main.cf.default  postfix-files   relocated     virtualcanonical          LICENSE        makedefs.out     postfix-script  TLS_LICENSE[root@red4 ~]# vim main.cf  1 myhostname = mail.163.com  2 mydomain = 163.com  3 myorigin = $mydomain  4 inet_interfaces = 192.168.101.104,127.0.0.1  5 mydestination = $myhostname,$mydomain  6 home_mailbox = Maildir/#4.啟動服務[root@red4 postfix]# service postfix start啟動 postfix：                                             [確定][root@red4 postfix]##5.查看服務的進程名和監聽的連接埠#注意:這裡尋找的是<master>[root@red4 postfix]# netstat -utnap | grep mastertcp        0      0 192.168.101.104:25          0.0.0.0:*                   LISTEN      13370/master        tcp        0      0 127.0.0.1:25                0.0.0.0:*                   LISTEN      13370/master    [root@red4 postfix]##6.Postfix 使用本地系統帳號作為郵件帳號<passwd=111>[root@red4 postfix]# useradd userone[root@red4 postfix]# passwd useroneChanging password for user userone.New UNIX password: BAD PASSWORD: it is WAY too shortRetype new UNIX password: passwd: all authentication tokens updated successfully.[root@red4 postfix]# useradd usertwo[root@red4 postfix]# passwd usertwoChanging password for user usertwo.New UNIX password: BAD PASSWORD: it is WAY too shortRetype new UNIX password: passwd: all authentication tokens updated successfully.[root@red4 postfix]##7.安裝提供收郵件服務的軟體包#注意:如果提示依賴錯誤,需要安裝<mysql>和<perl>[root@red4 postfix]# yum list | grep dovecotThis system is not registered with RHN.RHN support will be disabled.dovecot.i386                               1.0.7-7.el5                 rhel5    [root@red4 postfix]# yum install -y dovecot#8.修改dovecot的設定檔[root@red4 postfix]# cat /etc/dovecot.conf | grep "mail_location = maildir:~/Maildir"#   mail_location = maildir:~/Maildir[root@red4 postfix]# cat /etc/dovecot.conf | grep protocols#protocols = imap imaps pop3 pop3s[root@red4 postfix]##9.啟動服務\查看連接埠[root@red4 postfix]# service dovecot start啟動 Dovecot Imap：                                        [確定][root@red4 postfix]# netstat -utnap | grep dovecottcp        0      0 :::993                      :::*                        LISTEN      13537/dovecot       tcp        0      0 :::995                      :::*                        LISTEN      13537/dovecot       tcp        0      0 :::110                      :::*                        LISTEN      13537/dovecot       tcp        0      0 :::143                      :::*                        LISTEN      13537/dovecot       [root@red4 postfix]# #10.安裝WEB用戶端程式#注意:可能會提示PHP依賴,需要安裝<php-mbstring>[root@red4 postfix]# yum list | grep squirrelmailThis system is not registered with RHN.RHN support will be disabled.squirrelmail.noarch                        1.4.8-5.el5_4.10            rhel5    [root@red4 postfix]# yum install -y squirrelmail#11.開啟HTTPD服務[root@red4 postfix]# service httpd restart停止 httpd：                                               [確定]啟動 httpd：                                               [確定][root@red4 postfix]# #修改squirrelmail支援語言[root@red4 postfix]# vim /etc/squirrelmail/config.php#26 $squirrelmail_default_language = 'zh_CN';#59 $default_charset          = 'UTF-8';#12.開啟瀏覽器測試#注意:開啟失敗後,檢查您的DNS配置,看看是否正確.#使用剛才建立的<userone><usertwo>使用者登入.http://www.wing.com/webmail/src/login.php###############################################問題###############################################Q1.不能使用<root>使用者登入不知道為什麼?#Q2.可以登入,使用<userone>登入後,給<usertwo@mail.wing.com>發郵件#<usertwo>接收不到,為什麼?###############################################郵件系統DNS配置###############################################1修改named.conf[root@red4 etc]# pwd/var/named/chroot/etc[root@red4 etc]# cat named.conf options{        directory "/var/named";}; zone "wing.com" IN {                type master;                file "wing.com.zone";                }; zone "101.168.192.in-addr.arpa." IN {                type master;                file "mail.com.arpa";                }; #2.建立wing.com.zone[root@red4 named]# pwd/var/named/chroot/var/named[root@red4 named]# cat wing.com.zone $TTL 7200wing.com.       IN      SOA     dns.wing.com.   root.wing.com.  (                                                                20130606                                                                1H                                                                15M                                                                1W                                                                1D                                                                )                IN      NS      dns.wing.com.dns.wing.com.   IN      A       192.168.101.104mail.wing.com.  IN      A       192.168.101.104wing.com.       IN MX 10        mail.wing.com.#3.測試[root@red4 named]# host mail.wing.commail.wing.com has address 192.168.101.104[root@red4 named]# host dns.wing.comdns.wing.com has address 192.168.101.104[root@red4 named]# [root@red4 named]# host -t PTR 192.168.101.104104.101.168.192.in-addr.arpa domain name pointer dns.wing.com.104.101.168.192.in-addr.arpa domain name pointer mail.wing.com.[root@red4 named]# [root@red4 named]# nslookup > set type=mx> wing.comServer:         127.0.0.1Address:        127.0.0.1#53 wing.com        mail exchanger = 10 mail.wing.com.>    > set type=ptr> 192.168.101.104Server:         127.0.0.1Address:        127.0.0.1#53 104.101.168.192.in-addr.arpa    name = mail.wing.com.104.101.168.192.in-addr.arpa    name = dns.wing.com.> > set type=a> mail.wing.comServer:         127.0.0.1Address:        127.0.0.1#53 Name:   mail.wing.comAddress: 192.168.101.104>