Send an email with the data

def send(kwargs, opts):
    '''
    Send an email with the data
    '''
    opt_keys = (
        'smtp.to',
        'smtp.from',
        'smtp.host',
        'smtp.port',
        'smtp.tls',
        'smtp.username',
        'smtp.password',
        'smtp.subject',
        'smtp.gpgowner',
        'smtp.content',
    )

    config = {}
    for key in opt_keys:
        config[key] = opts.get(key, '')

    config.update(kwargs)

    if not config['smtp.port']:
        config['smtp.port'] = 25

    log.debug('SMTP port has been set to %s', config['smtp.port'])
    log.debug("smtp_return: Subject is '%s'", config['smtp.subject'])

    if HAS_GNUPG and config['smtp.gpgowner']:
        gpg = gnupg.GPG(
            gnupghome=os.path.expanduser(
                '~{0}/.gnupg'.format(config['smtp.gpgowner'])
            ),
            options=['--trust-model always']
        )
        encrypted_data = gpg.encrypt(config['smtp.content'], config['smtp.to'])
        if encrypted_data.ok:
            log.debug('smtp_return: Encryption successful')
            config['smtp.content'] = six.text_type(encrypted_data)
        else:
            log.error(
                'SMTP: Encryption failed, only an error message will be sent'
            )
            config['smtp.content'] = (
                'Encryption failed, the return data was not sent.'
                '\r\n\r\n{0}\r\n{1}'
            ).format(encrypted_data.status, encrypted_data.stderr)

    message = (
        'From: {0}\r\n'
        'To: {1}\r\n'
        'Date: {2}\r\n'
        'Subject: {3}\r\n'
        '\r\n'
        '{4}'
    ).format(
        config['smtp.from'],
        config['smtp.to'],
        formatdate(localtime=True),
        config['smtp.subject'],
        config['smtp.content'],
    )

    log.debug('smtp_return: Connecting to the server...')
    server = smtplib.SMTP(config['smtp.host'], int(config['smtp.port']))

    if config['smtp.tls'] is True:
        server.starttls()
        log.debug('smtp_return: TLS enabled')

    if config['smtp.username'] and config['smtp.password']:
        server.login(config['smtp.username'], config['smtp.password'])
        log.debug('smtp_return: Authenticated')

    server.sendmail(config['smtp.from'], config['smtp.to'], message)
    log.debug('smtp_return: Message sent.')
    server.quit()