On Mon 28 May 2018 at 21:26:59 (-0500), Martin McCormick wrote: > > David Wright <deb...@lionunicorn.co.uk> writes: > > And exim's logs say …? > > 2018-05-28 14:56:38 1fNL0J-0003CQ-70 H=smtp.suddenlink.net [208.180.40.68]: > Remote host closed connection in response to initial connection > 2018-05-28 14:56:38 1fNL0J-0003CQ-70 == mar...@okstate.edu R=smarthost > T=remote_smtp_smarthost defer (-18) H=smtp.suddenlink.net [208.180.40.68]: > Remote host closed connection in response to initial connection > > That is 100% of the diagnostic help. With the -d flag, that part > still doesn't change. All one gets with the -d flag is lots of > file descriptors opening and closing. > > The only thing the log seems to show is that the > authentication process goes wrong instantly but no clue whether > or what causes that.
I don't see anything in the log about authentication, only "initial connection". That would suggest you haven't even got as far as HELO/EHLO. My previous post posed two posers. Port? Cheers, David.
