On Fri, Oct 22, 2021 at 10:34:20PM +0100, Simon Arlott via Exim-dev wrote:
> It is likely that pipelining the QUIT results in the connection being
> closed with outgoing data discarded. It's entirely possible that a
> stateful firewall decides not to allow the half-closed connection to
> transfer the remaining data.
Possible, and perhaps on the sender's end rather than at Yahoo? FWIW,
Postfix also pipelines QUIT, and I don't recall seeing similar reports
on postfix-users.
> A packet capture of this issue would be useful.
Yes, definitely.
--
Viktor.
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