On Oct 25, 2011, at 3:29 AM, <valdis.kletni...@vt.edu> wrote: > On Tue, 25 Oct 2011 02:35:31 PDT, Owen DeLong said: > >> If they are using someone else's mail server for outbound, how, exactly do >> you control >> whether or not they use AUTH in the process? > > 1) You don't even really *care* if they do or not, because... > > 2) if some other site is running with an un-AUTHed open port 587, the > miscreants will > find it and abuse it just like any other open mail relay. The community will > deal with it quick enough so you don't have to. And at that point, it's the > open mail relay's IP that ends up on the block lists, not your mail relay's > IP. > But that applies to port 25 also, so, I'm not understanding the difference.
> Other people running open port 587s tends to be quite self-correcting. > At this point, so do open port 25s. Owen
