diff --git a/internal/provider/default/default.go b/internal/provider/default/default.go
index e574f3e..1008cf3 100644
--- a/internal/provider/default/default.go
+++ b/internal/provider/default/default.go
@@ -19,7 +19,7 @@ const (
 	// FallbackAddr where mail will be forwarded to.
 	FallbackAddr = "mail:1025"
 	// FallbackFrom address which will be applied to email.
-	FallbackFrom = "skprmail"
+	FallbackFrom = "skprmail@example.com"
 )
 
 // Send the email to Mailhog.