acl/lib_acl_cpp/include/acl_cpp/smtp/mail_message.hpp

#pragma once
#include "acl_cpp/acl_cpp_define.hpp"
#include "acl_cpp/stdlib/string.hpp"
#include <vector>

namespace acl {

class dbuf_pool;
struct rfc822_addr;
class mail_attach;
class mail_body;
class ofstream;

/**
 * <EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>࣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD>ͬʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڹ<EFBFBD><EFBFBD><EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD>͹<EFBFBD><EFBFBD><EFBFBD>
 * <EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>ŷ<EFBFBD><EFBFBD><EFBFBD>Ϣ
 */
class ACL_CPP_API mail_message
{
public:
	/**
	 * <EFBFBD><EFBFBD><EFBFBD>캯<EFBFBD><EFBFBD>
	 * @param charset {const char*} <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
	 */
	mail_message(const char* charset = "utf-8");
	~mail_message();

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD>͹<EFBFBD><EFBFBD>̵<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><EFBFBD>Ϣ
	 * @param user {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˺<EFBFBD>
	 * @param pass {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {mail_message&}
	 */
	mail_message& set_auth(const char* user, const char* pass);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>ķ<EFBFBD><EFBFBD>Ͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>䣬<EFBFBD><EFBFBD><EFBFBD>ֶο<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD>͹<EFBFBD><EFBFBD>̵<EFBFBD> MAIL FROM <EFBFBD><EFBFBD><EFBFBD>
	 * ͬʱ<EFBFBD>ֿ<EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>ʼ<EFBFBD>ͷ<EFBFBD>е<EFBFBD> From <EFBFBD>ֶ<EFBFBD>ֵ
	 * @param from {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD>ַ
	 * @param name {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {mail_message&}
	 */
	mail_message& set_from(const char* from, const char* name = NULL);

	mail_message& set_sender(const char* sender, const char* name = NULL);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD>ͷ<EFBFBD>е<EFBFBD> Reply-To <EFBFBD>ֶ<EFBFBD>ֵ
	 * @param reply_to {const char*} Reply-To <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ
	 * @param name {const char*} Reply-To <EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ա<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {mail_message&}
	 */
	mail_message& set_reply_to(const char* reply_to, const char* name = NULL);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD>ͷ<EFBFBD>е<EFBFBD> Return-Path <EFBFBD>ֶ<EFBFBD>ֵ
	 * @param return_path {const char*} Return-Path <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ
	 * @return {mail_message&}
	 */
	mail_message& set_return_path(const char* return_path);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD>ͷ<EFBFBD>е<EFBFBD> Delivered-To <EFBFBD>ֶ<EFBFBD>ֵ
	 * @param delivered_to {const char*} Delivered-To <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ
	 * @return {mail_message&}
	 */
	mail_message& set_delivered_to(const char* delivered_to);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ռ<EFBFBD><EFBFBD>˵<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ŷ<EFBFBD><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD>ͷ<EFBFBD><EFBFBD>
	 * @param recipients {const char*} <EFBFBD>ռ<EFBFBD><EFBFBD>˼<EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> RFC822 <EFBFBD><EFBFBD>ʽ
	 * @return {mail_message&}
	 */
	mail_message& add_recipients(const char* recipients);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD>ͷ<EFBFBD>е<EFBFBD> To <EFBFBD>ֶ<EFBFBD>ֵ<EFBFBD><EFBFBD>ͬʱ<EFBFBD><EFBFBD><EFBFBD>ռ<EFBFBD><EFBFBD>˵<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ϱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ŷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>ռ<EFBFBD><EFBFBD><EFBFBD>
	 * @param to {const char*} <EFBFBD>ռ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> RFC822 <EFBFBD><EFBFBD>ʽ
	 * @return {mail_message&}
	 */
	mail_message& add_to(const char* to);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD>ͷ<EFBFBD>е<EFBFBD> Cc <EFBFBD>ֶ<EFBFBD>ֵ<EFBFBD><EFBFBD>ͬʱ<EFBFBD><EFBFBD><EFBFBD>ռ<EFBFBD><EFBFBD>˵<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ϱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ŷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>ռ<EFBFBD><EFBFBD><EFBFBD>
	 * @param cc {const char*} <EFBFBD>ռ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> RFC822 <EFBFBD><EFBFBD>ʽ
	 * @return {mail_message&}
	 */
	mail_message& add_cc(const char* cc);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵İ<EFBFBD><EFBFBD>͵<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD>õ<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ϲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD>ͷ<EFBFBD><EFBFBD>
	 * @param bcc {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> RFC822 <EFBFBD><EFBFBD>ʽ
	 * @return {mail_message&}
	 */
	mail_message& add_bcc(const char* bcc);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD>ͷ<EFBFBD>е<EFBFBD><EFBFBD><EFBFBD><EFBFBD>⣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⽫<EFBFBD><EFBFBD><EFBFBD><EFBFBD> rfc2047 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>๹<EFBFBD>캯<EFBFBD><EFBFBD>
	 * <EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
	 * @param subject {const char*} <EFBFBD>ʼ<EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD>ֵ
	 * @return {mail_message&}
	 */
	mail_message& set_subject(const char* subject);

	/**
	 * <EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ե<EFBFBD><EFBFBD>ô˺<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD>ͷ<EFBFBD>е<EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>չ<EFBFBD>ֶ<EFBFBD>ֵ
	 * @param name {const char*} <EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD>
	 * @param value {const char*} <EFBFBD>ֶ<EFBFBD>ֵ
	 * @return {mail_message&}
	 */
	mail_message& add_header(const char* name, const char* value);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ķ<EFBFBD><EFBFBD><EFBFBD>
	 * @param body {const mail_body&} <EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ķ<EFBFBD><EFBFBD><EFBFBD>
	 * @return {mail_message&}
	 */
	mail_message& set_body(const mail_body& body);

	/**
	 * <EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param filepath {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȫ·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǿգ<EFBFBD>
	 * @param content_type {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD><EFBFBD>ǿգ<EFBFBD>
	 * @return {mail_message&}
	 */
	mail_message& add_attachment(const char* filepath,
		const char* content_type);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݴ洢<EFBFBD>ڸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>գ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ᴴ<EFBFBD><EFBFBD><EFBFBD>µ<EFBFBD><EFBFBD>ļ<EFBFBD>
	 * @param filepath {const char*} Ŀ<EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 */
	bool save_to(const char* filepath);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD>Ե<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ñ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param out {string&} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD>ݽ<EFBFBD>׷<EFBFBD><EFBFBD><EFBFBD>ڸû<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 */
	bool build_header(string& out);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD>ȫ·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ú<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><EFBFBD><EFBFBD> save_to <EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {const char*}
	 */
	const char* get_email() const
	{
		return filepath_;
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˺<EFBFBD>
	 * @return {const char*}
	 */
	const char* get_auth_user() const
	{
		return auth_user_;
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> SMTP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˺<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {const char*}
	 */
	const char* get_auth_pass() const
	{
		return auth_pass_;
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> set_from <EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {const rfc822_addr*}
	 */
	const rfc822_addr* get_from() const
	{
		return from_;
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> set_sender <EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {const rfc822_addr*}
	 */
	const rfc822_addr* get_sender() const
	{
		return sender_;
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> set_reply_to <EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {const rfc822_addr*}
	 */
	const rfc822_addr* get_reply_to() const
	{
		return reply_to_;
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> set_return_path <EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {const rfc822_addr*}
	 */
	const rfc822_addr* get_return_path() const
	{
		return return_path_;
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> set_delivered_to <EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {const rfc822_addr*}
	 */
	const rfc822_addr* get_delivered_to() const
	{
		return delivered_to_;
	}

	const std::vector<rfc822_addr*>& get_to() const
	{
		return to_list_;
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> set_cc <EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>󼯺<EFBFBD>
	 * @return {const std::vector<rfc822_addr*>&}
	 */
	const std::vector<rfc822_addr*>& get_cc() const
	{
		return cc_list_;
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> set_bcc <EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>󼯺<EFBFBD>
	 * @return {const std::vector<rfc822_addr*>&}
	 */
	const std::vector<rfc822_addr*>& get_bcc() const
	{
		return bcc_list_;
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߵĵ<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {const std::vector<rfc822_addr*>&}
	 */
	const std::vector<rfc822_addr*>& get_recipients() const
	{
		return recipients_;
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD>ʼ<EFBFBD>ͷ<EFBFBD><EFBFBD>չ<EFBFBD>ֶ<EFBFBD>ֵ
	 * @param name {const char*} <EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD>
	 * @return {const char*}
	 */
	const char* get_header_value(const char* name) const;

	/**
	 * Ϊ MIME <EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD><EFBFBD><EFBFBD>Ψһ<EFBFBD>ķָ<EFBFBD><EFBFBD><EFBFBD>
	 * @param id {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD> ID <EFBFBD><EFBFBD>ʶ
	 * @param out {string&} <EFBFBD>洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	static void create_boundary(const char* id, string& out);

private:
	dbuf_pool* dbuf_;
	char* charset_;
	char* transfer_encoding_;

	char* auth_user_;
	char* auth_pass_;
	rfc822_addr* from_;
	rfc822_addr* sender_;
	rfc822_addr* reply_to_;
	rfc822_addr* return_path_;
	rfc822_addr* delivered_to_;
	std::vector<rfc822_addr*> to_list_;
	std::vector<rfc822_addr*> cc_list_;
	std::vector<rfc822_addr*> bcc_list_;
	std::vector<rfc822_addr*> recipients_;
	char* subject_;
	std::vector<std::pair<char*, char*> > headers_;
	std::vector<mail_attach*> attachments_;
	const mail_body* body_;
	size_t body_len_;
	char* filepath_;

	void add_addrs(const char* in, std::vector<rfc822_addr*>& out);
	bool append_addr(const rfc822_addr& addr, string& out);
	bool append_addr(const char* name, const rfc822_addr& addr,
		string& out);
	bool append_addrs(const char* name,
		const std::vector<rfc822_addr*>& addrs, string& out);
	bool append_message_id(string& out);
	bool append_subject(const char* subject, string& out);
	bool append_date(string& out);
	bool append_header(ofstream& fp);
	bool append_multipart(ofstream& fp);
};

} // namespace acl