From 6bd14506c0a1a0ff81a3efeff79884beb651d3d8 Mon Sep 17 00:00:00 2001
From: Brian Maloney <3286425+brian-maloney@users.noreply.github.com>
Date: Sun, 28 Jun 2020 17:27:45 -0400
Subject: [PATCH] Explicitly define ProxyFix options

Even though these seem to be the defaults, since 1.7 x_proto was not being honored (see #1309), this fixes this issue for me.
---
 core/admin/mailu/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/admin/mailu/utils.py b/core/admin/mailu/utils.py
index 39181678..ce12a09a 100644
--- a/core/admin/mailu/utils.py
+++ b/core/admin/mailu/utils.py
@@ -40,7 +40,7 @@ class PrefixMiddleware(object):
         return self.app(environ, start_response)
 
     def init_app(self, app):
-        self.app = fixers.ProxyFix(app.wsgi_app)
+        self.app = fixers.ProxyFix(app.wsgi_app, x_for=1, x_proto=1)
         app.wsgi_app = self
 
 proxy = PrefixMiddleware()