mail page fix

app/api/courrier/route.ts

@@ -64,14 +64,21 @@ export async function GET(request: Request) {
       // Open the requested mailbox
       const mailbox = await client.mailboxOpen(folder);
       
+      const result = [];
+      
+      // Only try to fetch if the mailbox has messages
+      if (mailbox.exists > 0) {
+        // Adjust start and end to be within bounds
+        const adjustedStart = Math.min(start, mailbox.exists);
+        const adjustedEnd = Math.min(end, mailbox.exists);
+        
         // Fetch messages from the current folder
-      const messages = await client.fetch(`${start}:${end}`, { 
+        const messages = await client.fetch(`${adjustedStart}:${adjustedEnd}`, { 
           envelope: true,
           flags: true,
           bodyStructure: true
         });
         
-      const result = [];
         for await (const message of messages) {
           result.push({
             id: message.uid,
@@ -87,6 +94,7 @@ export async function GET(request: Request) {
             flags: Array.from(message.flags)
           });
         }
+      }
 
       return NextResponse.json({
         emails: result,