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-rw-r--r--lib/yahns/proxy_pass.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/yahns/proxy_pass.rb b/lib/yahns/proxy_pass.rb
index fcd0cf7..0ada4a6 100644
--- a/lib/yahns/proxy_pass.rb
+++ b/lib/yahns/proxy_pass.rb
@@ -6,6 +6,12 @@ require 'socket'
 require 'rack/request'
 require 'timeout'
 
+# XXX consider this file and the proxy-related stuff in yahns
+# unstable and experimental!  It has never been documented and
+# incompatible changes may still happen.
+#
+# However, it seems to be proxying for our mail archives well enough:
+# https://yhbt.net/yahns-public/
 require_relative 'proxy_http_response'
 require_relative 'req_res'