diff --git a/check.py b/check.py
index 1eb7c4e..16084c2 100755
--- a/check.py
+++ b/check.py
@@ -256,7 +256,6 @@ class Conference:
 
 def send_mail(subject: str, body: str) -> None:
     """Send an e-mail."""
-    return
     mail_from_address = config["mail"]["from_address"]
     mail_from_name = config["mail"]["from_name"]
     mail_to_address = config["mail"]["to_address"]