The sender mail address is email@example.com when I check it under maillog, I tried to change it from sendmail.mc to: LOCAL_DOMAIN(`my-domain')dnl, and restarted sendmail, but still shows localhost.localdomain. where shall I change that setting?
This article will show you step-by-step instructions to build your own NTP CentOS server. The network diagram shows the best practice to setup the NTP server farm for redundancy. This article also serves as your NTP server documentation.