When adding a domain, you can also add a custom email address.

ui/src/domain/domain.ts

@@ -3,6 +3,7 @@ import { Deployment, Pahse } from "./deployment";
 export type Domain = {
   id: string;
   domain: string;
+  email?: string;
   crontab: string;
   access: string;
   targetAccess: string;

ui/src/domain/settings.ts

@@ -0,0 +1,9 @@
+export type Setting = {
+  id?: string;
+  name?: string;
+  content: EmailsSetting;
+};
+
+type EmailsSetting = {
+  emails: string[];
+};