一个发送邮件的C++库–jwsmtp

接收邮件的,暂时没搞定,不过在SF上找到了这个发送邮件的库文件.它提供了一个比较完整的类,可以简单的调用发送邮件.下面是作者提供的一个例子,不过由于连SMTP发邮件需要密码,所以代码我改了一下.

// This file is part of the jwSMTP library. 

// 

//    jwSMTP library is free software; you can redistribute it and/or modify 

//    it under the terms of the GNU General Public License as published by 

//    the Free Software Foundation; either version 2 of the License, or 

//    (at your option) any later version. 

//    jwSMTP library is distributed in the hope that it will be useful, 

//    but WITHOUT ANY WARRANTY; without even the implied warranty of 

//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.    See the 

//    GNU General Public License for more details. 

//    You should have received a copy of the GNU General Public License 

//    along with jwSMTP library; if not, write to the Free Software 

//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA    02111-1307    USA 

//      http://johnwiggins.net 

//      [email protected] 

// http://www.boost.org 

//#include <boost\thread\thread.hpp> 

#include <iostream> 

#include “jwsmtp/jwsmtp.h” 

using std::cout; 

using std::cin; 

using std::string; 

void Usage() { 

   cout << “jwSMTP library demo program\n” 

           “maildemo <email toaddress> <email fromaddress> <smtpserver>\n” 

           “   e.g.\n” 

           “      maildemo [email protected] [email protected] mail.server.com\n”; 

} 

int main(int argc, char* argv[]) 

{ 

   if(argc != 4) { 

      Usage(); 

      return 0; 

   } 

   cout << “jwSMTP library demo program\n\n”; 

   string to(argv[1]); 

   string from(argv[2]); 

   string smtpserver(argv[3]); 

   if(to.length() < 2 || from.length() < 2 || smtpserver.length() < 2) { 

   char str[2048]; 

   cout << “Please enter the subject of the mail\n”; 

   cin.getline(str, 500);     

   string subject(str); 

   strcpy(str, “”); 

   cout << “Please enter the message body end with \”.\” on a line by itself\n”; 

   string mailmessage; 

   while(true) { 

      cin.getline(str, 2048); 

      if(!strcmp(str, “.”)) 

         break; 

      mailmessage += str; 

      mailmessage += “\r\n”; 

      strcpy(str, “”); 

   cout << “\nPlease wait sending mail\n”; 

   // This is how to tell the mailer class that we are using a direct smtp server 

   // preventing the code from doing an MX lookup on ’smtpserver’ i.e. passing 

   // false as the last parameter. 

   jwsmtp::mailer mail(to.c_str(), from.c_str(), subject.c_str(), mailmessage.c_str(), 

                       smtpserver.c_str(), jwsmtp::mailer::SMTP_PORT, false); 

   mail.username(“[email protected]”); 

   mail.password(“###”); 

   // using a local file as opposed to a full path. 

   mail.attach(“/root/Desktop/223901.jpg”); 

   // add another recipient (carbon copy) 

   //mail.addrecipient(“[email protected]”, mailer::Cc); 

   // set a new smtp server! This is the same as setting a nameserver. 

   // this depends on the constructor call. i.e. in the constructor 

   // If MXLookup is true this is a nameserver 

   // If MXLookup is false this is an smtp server 

   //mail.setserver(“mail.somewherefun.com”); 

   // same again except using an IP address instead. 

   //mail.setserver(“192.168.0.1″); 

   // boost::thread thrd(mail); 

   // thrd.join(); // optional 

   // or:- 

   // Use authentication 

   //mail.username(“testuser”); 

   //mail.password(“secret”); 

   // LOGIN authentication by default 

   // if you want plain as opposed to login authentication 

   //mail.authtype(jwsmtp::mailer::PLAIN); 

   mail.operator()(); 

   cout << mail.response() << “\n\n”; 

   //mail.reset(); // now we can mail someone else. 

   //mail.setmessage(“flibbletooting”); 

   //mail.setsubject(“another message same object”); 

   //mail.attach(“/home/user1/image.gif”); 

   // or a win example 

   //mail.attach(“C:\\image.gif”); 

   //mail.addrecipient(“[email protected]”); 

   //mail.operator ()(); 

   //cout << mail.response() << “\n”; 

   return 0; 

}

作者提供的库要自己编译一次.

在编译例子程序时,WINDOWS的例子可以直接编译,在LINUX下要用类似下面的命令

g++ demo2.cpp -o demo2 -I/usr/local/include/jwsmtp-1.32 /usr/local/lib/libjwsmtp.a