On Thu, 2 Aug 2001, Ollie Cook wrote:
> Here is an SMTP transcript which I don't follow.
> I would have though that after "452" from PostFix,
> Exim should have stopped trying to send the mail
> rather than persevering with RCPT TO and DATA.
What you have missed is
> Out: 220 A-MACHINE.noc.clara.net ESMTP Postfix
> In: EHLO MACHINE.uk.clara.net
> Out: 250-A-MACHINE.noc.clara.net
> Out: 250-PIPELINING
^^^^^^^^^^
^^^^^^^^^^
When pipelining (RFC 2920) is supported, the client is permitted to send
MAIL, RCPT(s), and DATA all in one packet, and then sort the responses
out afterwards. That is what is happening here.
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.
