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-rwxr-xr-xMailman/Defaults.py.in6
1 files changed, 6 insertions, 0 deletions
diff --git a/Mailman/Defaults.py.in b/Mailman/Defaults.py.in
index 309d0ba3..3446aa8d 100755
--- a/Mailman/Defaults.py.in
+++ b/Mailman/Defaults.py.in
@@ -131,6 +131,12 @@ SUBSCRIBE_FORM_SECRET = None
# test.
SUBSCRIBE_FORM_MIN_TIME = seconds(5)
+# Use Google reCAPTCHA to protect the subscription form from spam bots. The
+# following must be set to a pair of keys issued by the reCAPTCHA service at
+# https://www.google.com/recaptcha/
+RECAPTCHA_SITE_KEY = None
+RECAPTCHA_SECRET_KEY = None
+
# Installation wide ban list. This is a list of email addresses and regexp
# patterns (beginning with ^) which are not allowed to subscribe to any lists
# in the installation. This supplements the individual list's ban_list.