BREAKING_CHANGE(structure): rebrand as dcrouter

ts/mail/routing/classes.unified.email.server.ts

@@ -371,11 +371,8 @@ export class UnifiedEmailServer extends EventEmitter {
             // The server is started when it's created
             logger.log('info', `UnifiedEmailServer listening on port ${port}`);
             
-            // Set up event handlers 
-            (smtpServer as any).server.on('error', (err: Error) => {
-              logger.log('error', `SMTP server error on port ${port}: ${err.message}`);
-              this.emit('error', err);
-            });
+            // Event handlers are managed internally by the SmtpServer class
+            // No need to access the private server property
             
             resolve();
           } catch (err) {