[Exim] "You must say full HELO first" SMTP error

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Szerző: Jon Paxton
Dátum:  
Címzett: exim-users
Tárgy: [Exim] "You must say full HELO first" SMTP error
A while ago I reported some problems to this list I was having when
sending mail to a particular remote SMTP host that one of our customers
uses frequently. Phil asked me to run a few test messages with debugging,
which I did, unforunately the problem seems to be intermittent and I
personally have never been able to replicate it myself, and messages don't
remain in the queue long enough for me to be ablet o force certain ones
down with debugging.

The error e-mail being sent back from exim at our end to the original
sender is:

  David.Tellis@???:
    SMTP error from remote mailer after MAIL
FROM:<marion.daltrey@???>:
    host mail.letec.co.uk [194.129.189.164]:
    503 You must say full HELO first 212.13.193.20


It isn't just this remote recipient which is causing the problem
either... As far as I can tell, the problem is something to do with the
fact that the server suggests it is ESMTP capable (in the initial
smtp response when you connect), but doesn't actually support the EHLO
command... I'm running exim 3.14

If anyone can shed any light on this or any way in which I could test this
I would be very greatful, as I'm getting a lot of angry complaints from
our customer...

--
Jon Paxton. Systems Administrator, Konnex Networks.
email: jon@??? web: http://www.knx.net.uk/