Phase 2: Implement Domain & Mailbox persistence, Analytics, and fix pagination issues

app/Jobs/ProcessIncomingEmail.php

@@ -90,6 +90,24 @@ class ProcessIncomingEmail implements ShouldQueue
             ]
         );
 
+        // Track analytics for receiving email
+        $mailbox = \App\Models\Mailbox::where('address', $email->recipient_email)->first();
+
+        TrackAnalytics::dispatch(
+            eventType: 'email_received',
+            mailboxHash: $mailbox?->mailbox_hash ?? 'unknown',
+            domainHash: $mailbox?->domain_hash ?? 'unknown',
+            metadata: [
+                'email_id' => $email->id,
+                'sender' => $email->sender_email,
+                'recipient' => $email->recipient_email,
+                'attachment_count' => count($metadata['attachments'] ?? []),
+                'found_mailbox' => $mailbox !== null,
+            ],
+            ipAddress: '0.0.0.0', // Server-side event
+            userAgent: 'MailOps/IncomingWorker'
+        );
+
         $this->ensureTtlIndex();
 
         NewEmailReceived::dispatch($email);