ngds/common/helpers/Email.php

<?php

namespace common\helpers;

require 'vendor/autoload.php';
use Mailgun\Mailgun;
use Yii;

class Email
{
    private static $mailKey = '4f64981556009f8e9fc2e112a65d3be3-67bd41c2-4e17cb05';

    /**
     * @param string $email
     * @param string $userName
     * @param string $password
     */
    public static function sendRegistrationEmail(string $email, string $userName, string $password)
    {
        $subject = \Yii::t('app', 'decRegistrationEmailSubject', []);
        $message = \Yii::t('app', 'decRegistrationEmailContent', ['userName' => $userName, 'passWord' => $password]);

        $mailer = Yii::$app->mailer;
        $mailer->useFileTransport = false;
        $response = $mailer->compose()
            ->setFrom(['no.reply.elken@gmail.com' => 'Elken'])
            ->setTo($email)
            ->setSubject($subject)
            ->setHtmlBody($message)
            ->send();

        LoggerTool::debug('sendRegistrationEmail' . sprintf('sendRegistrationEmail: %s', json_encode([$email, $userName, $password, $response])));
    }

    public static function sendEmail(string $email, string $userName, string $password)
    {
        $mg = Mailgun::create(self::$mailKey);
        $mg->messages()->send('ng-frontend-api.elken.com', [
            'from' => 'Elken <no.reply.elken@gmail.com>',
            'to' => $email,
            'subject' => \Yii::t('app', 'decRegistrationEmailSubject', []),
            'html' => \Yii::t('app', 'decRegistrationEmailContent', ['userName' => $userName, 'passWord' => $password]),
        ]);
    }
}