学习linux笔记，Sendmail服务器的搭建，内附例子”实现支持短域名形式和绑定别的域名“-Linux study notes, Sendmail server set up, containing examples of " implementation supports short form, and bind other domain name"

linux实验手册。磁盘管理，配额管理，服务，DNS，NFS，APACHE，SENDMAIL，DHCP，SAMBA，VSFTP。-linux lab manual. Disk management, quota management, service, DNS, NFS, APACHE, SENDMAIL, DHCP, SAMBA, VSFTP.