diff --git a/src/clear_bookings.py b/src/clear_bookings.py
index 6d0ce09..b3566db 100644
--- a/src/clear_bookings.py
+++ b/src/clear_bookings.py
@@ -459,7 +459,7 @@ def send_mail_to_organizer(
     else:
         print("Using SSL for SMTP connection.")
         if not is_test:
-            with smtplib.SMTP_SSL("mail.extrasolar.space",
+            with smtplib.SMTP_SSL(os.getenv('SMTP_SERVER'),
                                   os.getenv('SMTP_PORT', 465),
                                   context=ssl_context) as server:
               server.login(os.getenv("SMTP_USER_NAME", os.getenv("SMTP_EMAIL")), os.getenv("SMTP_PASSWORD"))