update

ts/opsserver/handlers/config.handler.ts

@@ -65,6 +65,7 @@ export class ConfigHandler {
         perHour: number;
         perDay: number;
       };
+      domains?: string[];
     };
     dns: {
       enabled: boolean;
@@ -88,6 +89,17 @@ export class ConfigHandler {
   }> {
     const dcRouter = this.opsServerRef.dcRouterRef;
     
+    // Get email domains if email server is configured
+    let emailDomains: string[] = [];
+    if (dcRouter.emailServer && dcRouter.emailServer.domainRegistry) {
+      emailDomains = dcRouter.emailServer.domainRegistry.getAllDomains();
+    } else if (dcRouter.options.emailConfig?.domains) {
+      // Fallback: get domains from email config options
+      emailDomains = dcRouter.options.emailConfig.domains.map(d => 
+        typeof d === 'string' ? d : d.domain
+      );
+    }
+    
     return {
       email: {
         enabled: !!dcRouter.emailServer,
@@ -98,6 +110,7 @@ export class ConfigHandler {
           perHour: 100,
           perDay: 1000,
         },
+        domains: emailDomains,
       },
       dns: {
         enabled: !!dcRouter.dnsServer,