update

test/suite/smtpclient_commands/test.ccmd-02.mail-from-parameters.ts

@@ -195,16 +195,20 @@ tap.test('CCMD-02: MAIL FROM - should handle 8BITMIME parameter', async () => {
 });
 
 tap.test('CCMD-02: MAIL FROM - should handle AUTH parameter if authenticated', async () => {
-  // Create authenticated client
+  // Create authenticated client - auth requires TLS per RFC 8314
   const authServer = await startTestServer({
     port: 2542,
+    tlsEnabled: true,
     authRequired: true
   });
   
   const authClient = createSmtpClient({
     host: authServer.hostname,
     port: authServer.port,
-    secure: false,
+    secure: true,  // Use TLS since auth requires it
+    tls: {
+      rejectUnauthorized: false  // Accept self-signed cert for testing
+    },
     auth: {
       user: 'testuser',
       pass: 'testpass'