standby mode, sns or sqs

email-worker-nodejs/src/config.ts

@@ -48,6 +48,9 @@ export const config = {
   // Monitoring
   metricsPort: parseInt(process.env.METRICS_PORT ?? '8000', 10),
   healthPort: parseInt(process.env.HEALTH_PORT ?? '8080', 10),
+
+  queueSuffix: process.env.QUEUE_SUFFIX ?? '-queue',
+  standbyMode: (process.env.STANDBY_MODE ?? 'false').toLowerCase() === 'true',
 } as const;
 
 export type Config = typeof config;
@@ -106,7 +109,7 @@ export function isInternalAddress(email: string): boolean {
 
 /** Convert domain to SQS queue name: bizmatch.net → bizmatch-net-queue */
 export function domainToQueueName(domain: string): string {
-  return domain.replace(/\./g, '-') + '-queue';
+  return domain.replace(/\./g, '-') + config.queueSuffix;
 }
 
 /** Convert domain to S3 bucket name: bizmatch.net → bizmatch-net-emails */

email-worker-nodejs/src/email/rules-processor.ts

@@ -36,6 +36,9 @@ export class RulesProcessor {
     workerName: string,
     metricsCallback?: MetricsCallback,
   ): Promise<boolean> {
+    if (config.standbyMode) {
+        return false;
+    }    
     const rule = await this.dynamodb.getEmailRules(recipient.toLowerCase());
     if (!rule) return false;