postfix邮件服务器搭建环境centos 6.4 64位系统service为系统账号,用于收发邮件在之前要先设置好服务器的DNS解析,添加A,MX,TXT标记,以万网为例
记录类型 主机记录 解析线路 记录值 MX优先级 TTLA mail 默认线路 192.168.1.2 -- 10分钟MX @ 默认线路 www.abc.com. 10 10分钟TXT @ 默认线路 v=spf1 a mx ~all -- 10分钟安装postfixyum -y install postfix安装完成修改配置文件main.cf,至于master.cf一般不用改动,默认就好修改前要注意,行首不能有空格,=号两边要加空格cd /etc/postfixcp main.cf main.cf_bak #修改前先备份vi main.cf修改以下内容,前面数字为行号,或有偏差,以自己的为准76 myhostname = www.abc.com #设定主机名(一定要注意,这个注释在配置文件里不能这样写,否则会出错,这里只是方便注释而已)83 mydomain = abc.com #一般会取myhostname第一个点后的名称99 myorigin = $mydomain #发信时显示的来源地址,当mail from为空时取这个值113 inet_interfaces = all #设定 postfix 的监听接口,默认只监听本地接口,all为监听所有对外接口119 inet_PRotocols = ipv4 #设定 postfix 的监听 IP 协议,如果有ipv6就再加上吧165 mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain #设定能够收信的主机名264 mynetworks = 127.0.0.0/8 #规定信任的客户端,在这里只允许本地转发邮件386 alias_maps = hash:/etc/aliases #设定邮件别名397 alias_database = hash:/etc/aliases保存退出每次更改完main.cf后都要重启postfix,可以/etc/init.d/postfix reload(restart)启动postfix,/etc/init.d/postfix start测试发送邮件telnet 127.0.0.1 25
Trying 127.0.0.1...Connected to 127.0.0.1.Escape character is '^]'.220 www.abc.com ESMTP Postfix
ehlo service250-www.abc.com250-PIPELINING250-SIZE 10240000250-VRFY250-ETRN250-ENHANCEDSTATUSCODES250-8BITMIME250 DSN
mail from:service@abc.com250 2.1.0 Ok
rcpt to:123456789@QQ.com250 2.1.5 Ok
data354 End data with <CR><LF>.<CR><LF>subject:test postfix mailis test body.250 2.0.0 Ok: queued as 89EC7240511
quit
至此邮件发送成功,查看邮件队列
队列为空,说明邮件已发出去,没有错误
接下来安装dovecot,可以在客户端用POP/IMAP收取信件yum -y install dovecot安装完后修改配置文件因为现在很多客户端禁止明文传输,所以都会使用POP3s/IMAPs协议cd /etc/dovecotcp dovecot.conf dovecot.conf_bakvi dovecot.conf
修改后保存退出
cd conf.dcp 10-auth.conf 10-auth.conf_bakvi 10-auth.conf
把这一行的注释去掉
保存退出
cp 10-ssl.conf 10-ssl.conf_bakvi 10-ssl.conf
保存退出
cp 10-master.conf 10-master.conf_bakvi 10-master.conf
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