public void updateMailToAndCc(String to, String cc) {
		Address[] receiverAddress = createAddressFromStandardString(to);
		if (receiverAddress == null) {
			//如果没有设置收件人，则直接发送给发件人
			try {
				receiverAddress = mMailMessage.getFrom();
			} catch (MessagingException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
		if (receiverAddress != null) {
			try {
				mMailMessage.setRecipients(Message.RecipientType.TO, receiverAddress);
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
		
		Address[] ccReceiverAddress = createAddressFromStandardString(cc);
		if (ccReceiverAddress != null) {
			try {
				mMailMessage.setRecipients(Message.RecipientType.CC, ccReceiverAddress);
			} catch (Exception e) {
				e.printStackTrace();
			}
		};
	}