On Thu, 2014-08-14 at 01:19 +0200, Timothy Murphy wrote: > Les Mikesell wrote: > > > On Wed, Aug 13, 2014 at 5:55 PM, Timothy Murphy > > >> In my experience email has been working without problems > >> for as long as Unix has been running, > >> long before system administrator exams were invented. > > > > That was back when it was safe to assume that those one or more > > destination wanted to receive anything that showed up on port 25. Or > > that you could reasonably accept the unwanted data and subsequently > > send it back to wherever the From: line said it came from. Which was > > basically never but people used to do it before they knew better. > > But it is still reasonably easy to say what you want to do with email, > even if it is hard to implement. > My statement was that "the TASK of postfix is fairly easy to understand". > Yes, but you want to add a turbo to the combustion engine and then the simple user interface is not enough anymore...