update

ts/mail/routing/classes.email.config.ts

@@ -12,7 +12,9 @@ export interface IEmailConfig {
   // Email server settings
   ports: number[];
   hostname: string;
+  domains?: string[];  // Domains to handle email for
   maxMessageSize?: number;
+  debug?: boolean;
   
   // TLS configuration for email server
   tls?: {
@@ -47,6 +49,25 @@ export interface IEmailConfig {
     maxRetryDelay?: number;
   };
   
+  // Outbound email settings
+  outbound?: {
+    maxConnections?: number;
+    connectionTimeout?: number;
+    socketTimeout?: number;
+    retryAttempts?: number;
+    defaultFrom?: string;
+  };
+  
+  // DKIM settings
+  dkim?: {
+    enabled: boolean;
+    selector?: string;
+    keySize?: number;
+  };
+  
+  // Rate limiting configuration
+  rateLimits?: any; // Using any to avoid circular dependency
+  
   // Advanced MTA settings
   mtaGlobalOptions?: IMtaOptions;
 }