Enable/Disable email alerts

    CLI Example:

    .. code-block:: bash

        salt dell dracr.email_alerts True
        salt dell dracr.email_alerts False

def email_alerts(action,
                 host=None,
                 admin_username=None,
                 admin_password=None):
    '''
    Enable/Disable email alerts

    CLI Example:

    .. code-block:: bash

        salt dell dracr.email_alerts True
        salt dell dracr.email_alerts False
    '''

    if action:
        return __execute_cmd('config -g cfgEmailAlert -o '
                             'cfgEmailAlertEnable -i 1 1', host=host,
                             admin_username=admin_username,
                             admin_password=admin_password)
    else:
        return __execute_cmd('config -g cfgEmailAlert -o '
                             'cfgEmailAlertEnable -i 1 0')