Codeigniter 4 Email Code

 <?php

namespace App\Controllers\Test;

use App\Controllers\BaseController;

class Email_test extends BaseController {

    public function getIndex() {

       

        $email = \Config\Services::email();

        $email->setFrom('info@colormoon.in', 'Info');

        $email->setTo('manikanta@thecolourmoon.com');

        $email->setSubject('Test Email from CodeIgniter 4');

        $email->setMessage('This is a test email sent using CodeIgniter 4.');

        if ($email->send()) {

            return 'Email successfully sent.';

        } else {

            return 'Error in sending email: ' . $email->printDebugger(['headers']);

        }

        

    }

}

For more details refer : https://codeigniter.com/user_guide/libraries/email.html