<?php
    use MailerSend\MailerSend;
    use MailerSend\Helpers\Builder\Recipient;
    use MailerSend\Helpers\Builder\EmailParams;

    $mailersend = new MailerSend(
        ['api_key' => getenv('API_KEY')]);

    $recipients = [
        new Recipient('p.hoppe@gmx.de', 'HoPe'),
    ];

    $emailParams = (new EmailParams())
        ->setFrom('dog@flyhope.de')
        ->setFromName('FlyHoPe')
        ->setRecipients($recipients)
        ->setSubject('Dog Test')
        ->setText('This is the text content')
        ->setReplyTo('dog@flyhope.de')
        ->setReplyToName('DogFound');

    $mailersend->email->send($emailParams);
?>