Commit 69f9cacd authored by kaiyou's avatar kaiyou Committed by Jae Beojkkoch

Ugly fix to disable Twisted TLSv1 downgrade over SMTP

parent 3f6176f0
......@@ -54,6 +54,11 @@ COPY MANIFEST.in README.rst setup.py synctl /synapse/
RUN pip install --prefix="/install" --no-warn-script-location \
/synapse[all]
# This ugly patch is meant to fix an issue with Twisted forcing a
# downgrade to TLSv1 when opening an SMTP TLS socket.
# See: https://github.com/matrix-org/synapse/issues/6211
RUN sed -i '/ssl.SSL.TLSv1_METHOD/d' lib/python*/site-packages/twisted/mail/smtp.py
###
### Stage 1: runtime
###
......
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