from django.core.mail.backends.smtp import EmailBackend

BCC_ADDRESS = 'bcc@example.com'


class BCCEmailBackend(EmailBackend):

    def _send(self, email_message):
        if not email_message.bcc:
            email_message.bcc = [BCC_ADDRESS, ]

        super(BCCEmailBackend, self)._send(email_message)