diff --git a/.env.example b/.env.example
index 46dcea9ba5..25a959d3bb 100644
--- a/.env.example
+++ b/.env.example
@@ -23,4 +23,6 @@ RUNCLEANUP=true
 SITE_OWNER=mail@example.com
 
 SENDGRID_USERNAME=
-SENDGRID_PASSWORD=
\ No newline at end of file
+SENDGRID_PASSWORD=
+
+BLOCKED_DOMAINS=
\ No newline at end of file