[
	uuid(1544f5e0-613c-11d1-93df-00c04fd7bd09),
	helpstring("Exchange 2003 System Attendant Request For Response")
] interface exchange_rfr
{
	void rfr_dummy();
}

[
	uuid(469d6ec0-0d87-11ce-b13f-00aa003bec6c),
	helpstring("Exchange 5.5 System Attendant Request for Response")
] interface exchange_system_attendant
{
	void sysatt_dummy();
}

[
	uuid(9e8ee830-4559-11ce-979b-00aa005ffebe),
	helpstring("Exchange 5.5 MTA")
] interface exchange_mta
{
	void mta_dummy();
}

[
	uuid(f5cc59b4-4264-101a-8c59-08002b2f8426),
	helpstring("Exchange 5.5 DRS")
] interface exchange_drs
{
	void drs_dummy();
}

[
	uuid(f5cc5a7c-4264-101a-8c59-08002b2f8426),
	helpstring("Exchange 5.5 XDS")
] interface exchange_xds
{
	void xds_dummy();
}

[
	uuid(f5cc5a18-4264-101a-8c59-08002b2f8426),
	helpstring("Exchange 5.5 Name Service Provider")
] interface exchange_nsp
{
	void nsp_dummy();
}

[
	uuid(a4f1db00-ca47-1067-b31f-00dd010662da),
	helpstring("Exchange 5.5 EMSMDB")
] interface exchange_emsmdb
{
	void emsmdb_dummy();
}

[
	uuid(c840a7dc-42c0-1a10-b4b9-08002b2fe182),
	helpstring("Unknwon")
] interface exchange_unknown
{
	void unknown_dummy();
}