I resolved it by myself: Added to project LibNTLM and added to preprocessor WITH_NTLM.
Also changed code, a little bit:
ExchangeServiceBindingProxy *proxy = new ExchangeServiceBindingProxy(endpoint.c_str());
soap *pSoap = proxy->soap;
pSoap->userid = "Ivan1";
pSoap->passwd = "1";
pSoap->ntlm_challenge = "";
pSoap->authrealm = "Ursa-Minor";
pSoap->ssl_flags = SOAP_SSL_NO_AUTHENTICATION;
//pSoap->keep_alive = true;
pSoap->mode = SOAP_IO_KEEPALIVE;
//get root folder ID
ns3__DistinguishedFolderIdType *dfit = new ns3__DistinguishedFolderIdType();
dfit->Id = ns3__DistinguishedFolderIdNameType__inbox;
//set the props that we want to retrieve
ns3__FolderResponseShapeType *frst = new ns3__FolderResponseShapeType();
frst->BaseShape = ns3__DefaultShapeNamesType__AllProperties;
//get folder
ns1__GetFolderType *gftRoot = new ns1__GetFolderType();
gftRoot->FolderIds = new ns3__NonEmptyArrayOfBaseFolderIdsType();
gftRoot->FolderIds->__size_NonEmptyArrayOfBaseFolderIdsType = 1;
gftRoot->FolderIds->__union_NonEmptyArrayOfBaseFolderIdsType = new __ns3__union_NonEmptyArrayOfBaseFolderIdsType();
gftRoot->FolderIds->__union_NonEmptyArrayOfBaseFolderIdsType->union_NonEmptyArrayOfBaseFolderIdsType.DistinguishedFolderId = dfit;
gftRoot->FolderIds = (ns3__NonEmptyArrayOfBaseFolderIdsType*)dfit;
gftRoot->FolderShape = frst;
__ns1__GetFolderResponse response;
int qq = proxy->GetFolder(gftRoot, response);
return true;
But now i have enother problems: Error 500: Internal Server Error