docs: def set_connection_ip_list(addresses=None, grant_by_default=False, server=_DEFAULT_SERVER):
      '''
      Set the IPGrant list for the SMTP virtual server.
  
      :param str addresses: A dictionary of IP + subnet pairs.
      :param bool grant_by_default: Whether the addresses should be a blacklist or whitelist.
      :param str server: The SMTP server name.
  
      :return: A boolean representing whether the change succeeded.
      :rtype: bool
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' win_smtp_server.set_connection_ip_list addresses="{'127.0.0.1': '255.255.255.255'}"
      '''
      setting = 'IPGrant'
      formatted_addresses = list()
  
      # It's okay to accept an empty list for set_connection_ip_list,
      # since an empty list may be desirable.
      if not addresses:
          addresses = dict()
          _LOG.debug('Empty %s specified.', setting)
  
      # Convert addresses to the 'ip_address, subnet' format used by
      # IIsIPSecuritySetting.
      for address in addresses:
          formatted_addresses.append('{0}, {1}'.format(address.strip(),
                                                       addresses[address].strip()))
  
      current_addresses = get_connection_ip_list(as_wmi_format=True, server=server)
  
      # Order is not important, so compare to the current addresses as unordered sets.
      if set(formatted_addresses) == set(current_addresses):
          _LOG.debug('%s already contains the provided addresses.', setting)
          return True
  
      # First we should check GrantByDefault, and change it if necessary.
      current_grant_by_default = _get_wmi_setting('IIsIPSecuritySetting', 'GrantByDefault', server)
  
      if grant_by_default != current_grant_by_default:
          _LOG.debug('Setting GrantByDefault to: %s', grant_by_default)
          _set_wmi_setting('IIsIPSecuritySetting', 'GrantByDefault', grant_by_default, server)
  
      _set_wmi_setting('IIsIPSecuritySetting', setting, formatted_addresses, server)
  
      new_addresses = get_connection_ip_list(as_wmi_format=True, server=server)
      ret = set(formatted_addresses) == set(new_addresses)
  
      if ret:
          _LOG.debug('%s configured successfully: %s', setting, formatted_addresses)
          return ret
      _LOG.error('Unable to configure %s with value: %s', setting, formatted_addresses)
      return ret