On 23 Jun 2005, at 19:19, Michael Conry wrote:
> Maybe you spotted this already, but since you didn't mention it in the
> mail I'll note it here: the first header is an EHLO/ESMTP header, the
> later one is HELO/SMTP.
Yes, I did notice that alright.
> Perhaps the system fell back to smtp after encountering problems with
> esmtp. I wouldn't expect two headers though
That's the big mystery, isn't it? Why two headers? The fact that one is
ESMTP and the other SMTP just adds to it.
> doesn't explain how the second mail came through in double-quick time.
Well, the other mail wasn't so much double-quick as just normal - which
is I suppose double-quick.
> Maybe it's useful to know which header the more successful mail
> acquired (and was it fractionally before or after this problematic
> mail).
Hmm - now there's a thing. It also got an ESMTP header, at the EXACT
same time as the other one, with the same ESMTP id. The two mails were
the same mail with two addressees, so I guess the sending server was
smart enough to just send one mail with two recipients.
Niall
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