On Mon, Jan 7, 2019 at 10:20 AM Greg Wooledge <wool...@eeg.ccf.org> wrote: ... > The primary purpose of the actual hostname is for you to be able to > identify *which* computer is having a problem. E.g. if you receive an > email from a machine identifying itself as "www.yourdomain" but you have > three such web servers operating as a round robin, then you will have > to put in some work to figure out which of the three it came from. > > But if the email comes from a machine which self-identifies as > "www1.yourdomain", then you have a better idea where to fix the issue.
Thanks, Greg. -Tom