centos 7.2 下配置postfix 邮件服务系统

最近一直在倒腾自己的东西。
弄了一个云服务器，又买了一个域名，玩玩而已。
现在把相关资料整理一下。
域名在阿里云购买：所以绑定域名与云服务器地址很简单。



之后出现的进行设置。
使用新手设置即可。
我这里的解析包含了mail邮箱的解析。



然后是服务器上面的配置。
首先安装postfix

yum -y install postfix

然后进行配置其相关属性。

vim /etc/postfix/main.cf

queue_directory = /var/spool/postfix
command_directory = /usr/sbin
daemon_directory = /usr/libexec/postfix
data_directory = /var/lib/postfix
mail_owner = postfix
myhostname = mail.购买的域名
mydomain = 购买的域名
myorigin = $myhostname
myorigin = $mydomain
inet_interfaces = all
inet_protocols = all
mydestination = $myhostname, $mydomain,localhost,localhost.$mydomain
unknown_local_recipient_reject_code = 550
$mynetworks = 127.0.0.0/8 外网IP地址，外面可以登录
smtpd_client_restrictions = permit_mynetworks, permit_sasl_authenticated
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous 
smtpd_recipient_restrictions = permit_mynetworks,permit_sasl_authenticated,reject_unauth_destination
relay_domains = $mydomain
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
home_mailbox = Maildir/
debug_peer_level = 2
debugger_command =
	 PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin
	 ddd $daemon_directory/$process_name $process_id & sleep 5
newaliases_path = /usr/bin/newaliases.postfix
mailq_path = /usr/bin/mailq.postfix
setgid_group = postdrop
html_directory = no
manpage_directory = /usr/share/man
sample_directory = /usr/share/doc/postfix-2.10.1/samples
readme_directory = /usr/share/doc/postfix-2.10.1/README_FILES

其后安装dovecot

yum -y isntall dovecot

配置参数：

vim /etc/dovecot/dovecot.conf

protocols = imap pop3 lmtp

vim /etc/dovecot/conf.d/10-auth.conf

disable_plaintext_auth = no

vim /etc/dovecot/conf.d/10-ssl.conf

ssl = no

安装sasl

yum -y install sasl

另外需要使用

chmod 0600 /var/spool/mail/*

启动：

service postfix start
service dovecot start
service saslauthd start