Create a class to Instantiate a Mail object

gistfile1.txt

php
<?php

declare(strict_types=1);

namespace App\Mailer;

use Psr\Container\ContainerInterface;
use SendGrid\Mail\Mail;

class SendGridMailMessageFactory
{
    public function __invoke(ContainerInterface $container): Mail
    {
        $config = $container->get('config')['mail'];
        $mail = new Mail();
        $mail->setFrom(
            $config['from']['address'], 
            $config['from']['name']
        );
        $mail->setReplyTo(
            $config['replyTo']['address'], 
            $config['replyTo']['name']
        );

        return $mail;
    }
}