- 创建系统用户
useradd peining1
passwd peining1 # 密码设为 123456
useradd peining2
passwd peining3 # 密码设为 123456
- 安装postfix和dovecot
yum install -y postfix
yum install -y dovecot
- 配置并启动postfix
vim /etc/postfix/main.cf
myhostname = mail.gosuncn.fun
mydomain = gosuncn.fun
myorigin = $mydomain
inet_interfaces = all
mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain
mynetworks = 127.0.0.0/8
relay_domains = $mydestination, qq.com, 163.com, 126.com,