while(!bSuccess && retry < messageSendingRetryCnt){
String friendLoginName = toEMailAddress;
msn.doCallWait(friendLoginName);
MimeMessage sendMessage = new MimeMessage(messageContent); //���� ����
sendMessage.setKind(MimeMessage.KIND_MESSAGE);
if (msn.sendMessage(friendLoginName , sendMessage) == true ) //���� �����ºκ�
{
System.out.println("Success");
bSuccess=true;