https://bugs.exim.org/show_bug.cgi?id=2018
--- Comment #11 from Phil Pennock <pdp@???> ---
Isolated the problem, confirmed with a debug statement.
We're doing a fixed read for proxy handling, assuming that the read will come
up short for PROXYv1. For SMTP where server-speaks-first, that's true for
compliant clients.
For TLS, where client-speaks-first and the proxy waits for client data before
opening the backend connection, it's not true. With a little bit of debugging
added:
90478 Bytes read not within PROXY header: 178
For plaintext, that "178" is the desired "0".
Am pondering solutions right now. I consider this blocking of 4.89RC1.
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