MailComposer/firestore.rules

rules_version = '2';

service cloud.firestore {
  match /databases/{database}/documents {
    // Allow read/write to drafts collection
    match /drafts/{document} {
      allow read, write: if true; // You can add authentication rules here
    }
    
    // Allow read/write to sent emails for tracking
    match /sentEmails/{document} {
      allow read, write: if true; // You can add authentication rules here
    }
    
    // Allow read access to email logs for admin purposes
    match /emailLogs/{document} {
      allow read: if true; // You can add admin authentication here
      allow write: if false; // Only functions should write to this collection
    }
  }
}