for internal use only - Draft idea to check trustworthiness of email account

unsafe-email

Check if email is from disposable provider or has no DNS MX record

Install

yarn add @jollie/unsafe-email

or

npm install @jollie/unsafe-email

Usage

const isTricky = require('@jollie/unsafe-email');

// Diposable email 
// Output "Unsafe email : Disposable email address"
isTricky('[email protected]')
  .then(() => console.log('Looks good'))
  .catch(error => console.log(`Unsafe email : ${error.message}`);
  
// Non-existent domain 
// Output "Unsafe email : queryMx ENOTFOUND he-llo-w-orld.com"
isTricky('[email protected]')
  .then(() => console.log('Looks good'))
  .catch(error => console.log(`Unsafe email : ${error.message}`);
    
// Valid email -> Output "Looks good"
isTricky('[email protected]')
  .then(() => console.log('Looks good'))
  .catch(error => console.log(`Unsafe email : ${error.message}`);

Return value

Promise resolved with the email or rejected if unsafe email