public function setFrom($from)
    {
        $recipients = $this->normalizeRecipients($from);

        //see RFC2822 3.6.2 'Originator fields' - multiple 'From' is allowed...
        foreach ($recipients as $email => $name) {
            $this->mailer->adapter->setFrom($email, $name);
            //...but anyway PHPMailer consideres it should be single 'From', so we stop processing array
            break;
        }

        return $this;
    }