这个项目希望能把帮大家提升实力！启动 Postfix服务
输入命令metc/ postfix/main. cf打开 maincf文件并找到下图内容
87# The myorigin parameter specifies the domain that Locally-posted
8# mail appears to cone from, The default is to append Smyhostn
89# which is fine for small sites. If you ru
