diff --git a/mailu/mailu.env b/mailu/mailu.env
index 29b144d..4d3d768 100644
--- a/mailu/mailu.env
+++ b/mailu/mailu.env
@@ -2,10 +2,10 @@
 SECRET_KEY=b9cff1261bdc8033e42b49bb2ee62e72
 
 # Główna domena
-DOMAIN=bodypainter.eu
+DOMAIN=arti24.eu
 HOSTNAME=mail
-HOSTNAMES=mail.bodypainter.eu
-CERTIFICATE_DOMAIN=mail.bodypainter.eu
+HOSTNAMES=mail.arti24.eu
+CERTIFICATE_DOMAIN=mail.arti24.eu
 
 # Administrator
 POSTMASTER=postmaster