private function setOptions()
{
$this->mailClient->isSMTP();
$this->mailClient->SMTPAuth = true;
$this->mailClient->SMTPSecure = 'tls';
// Enable TLS encryption, `ssl` also accepted
$this->mailClient->addAddress($this->options->getFrom());
$this->mailClient->Host = $this->options->getHost();
$this->mailClient->Username = $this->options->getUserName();
$this->mailClient->Password = $this->options->getPassword();
$this->mailClient->setFrom($this->options->getFrom());
$this->mailClient->Port = $this->options->getPort();
$this->addCCs();
}