From: Jeremy Harris <jgh146exb@wizmail.org>
Date: Sun, 8 Oct 2017 15:12:06 +0000 (+0100)
Subject: TFO: on FreeBSD avoid client TFO-mode connects unless a TCP_FASTOPEN setsocketopt... 
X-Git-Tag: exim-4_90_RC1~47
X-Git-Url: https://git.exim.org/users/heiko/exim.git/commitdiff_plain/10ac8d7f410e55043b0b182fb77f2e8fb6a7aed4?hp=10ac8d7f410e55043b0b182fb77f2e8fb6a7aed4

TFO: on FreeBSD avoid client TFO-mode connects unless a TCP_FASTOPEN setsocketopt succeeds

This fixes the FreeSBD no-kernel-support issues (it succeded the sendto for the
connect-with-data, but dod not queue the data).  Having checked dynamically, do
not claim support-for TFO either.
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