feat: Enhance Nodemailer transport with attachment support and raw message streaming

examples/nodemailer-transport.ts

@@ -16,7 +16,7 @@ async function nodemailerTransportExample() {
         apiKey: 'cebc9a7f-4e0c-4fda-9dd0-85f48c02800c',
         port: 80,
         secure: false, // Set to true for wss://
-        debug: false
+        debug: true
     });
 
     // Create Nodemailer transporter
@@ -51,7 +51,15 @@ async function nodemailerTransportExample() {
                     <li>Nodemailer compatibility</li>
                     <li>WebSocket-based SMTP relay</li>
                 </ul>
-            `
+                <p><strong>This email includes a test attachment!</strong></p>
+            `,
+            attachments: [
+                {
+                    filename: 'test-attachment.txt',
+                    content: Buffer.from(`This is a test attachment generated at ${new Date().toISOString()}\n\nRandom data: ${Math.random()}\nUUID: ${Date.now()}-${Math.random().toString(36).substr(2, 9)}\n\nFeatures tested:\n- File attachment support\n- Binary content handling\n- MIME multipart encoding\n- WebSocket SMTP transport\n\nEnd of test file.`, 'utf8'),
+                    contentType: 'text/plain'
+                }
+            ]
         });
 
         console.log('Email sent successfully!');