On Aug 12, 2010, at 12:26 PM, Paul Smith wrote: > (I'm not asking for a solution really - just saying that the 'NDN' issue > isn't that easy - if an upstream ISP blocks outgoing port 25 (blocking > sending using MX routing), and then blocks all outgoing mail because of > 'spam' (NDNs) then you have no choice but to not send NDNs).
... or change upstream ISPs to one with a clue. :-)
