How to use POCO C++ library to receive emails and analyse contents

I've one task to do, and that is:
  • Get emails from accounts, account info (username, password, saveBody, saveAttachments) can be obtained from EmailInboundConfig object
  • Retrieve subject, each attachment's filename

After comparing 3 open source C++ email handling libraries, I've decided to give POCO library a go.  Remember to include the following in the header (*.h) files.

#include "Poco/Net/POP3ClientSession.h"
#include "Poco/Net/MailMessage.h"
#include "Poco/Net/PartHandler.h"
#include "Poco/Net/MessageHeader.h"
#include "Poco/Net/NameValueCollection.h"
#include "Poco/Net/QuotedPrintableDecoder.h"
#include "Poco/Net/MultipartReader.h"
#include "Poco/Exception.h"
#include "Poco/StreamCopier.h"
#include "Poco/Base64Decoder.h"
#include <iostream>
#include <fstream>


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17 comments:

  1. MaKayNovember 8, 2012 at 3:16 PM

    Hi, Which library do you include to use String::TakeField method ?

    ReplyDelete
  2. JustinWNovember 8, 2012 at 3:48 PM

    Hi @MaKay, it's actually a custom function. I've just included it in the post.

    ReplyDelete
  3. MaKayNovember 9, 2012 at 2:14 PM

    Thanks your reply, JustinW. What is the functionality of String::FixField method ? Or can you post all source of custom String class ?

    ReplyDelete
  4. MaKayNovember 14, 2012 at 2:28 PM

    Thanks the source of String class, JustinW. Currently I've read Service.cpp file, I see that you used 2 methods: MyMailMessage::write() and MyMailMessage::isMultipart(), I don't understand internally the purpose of these methods. Can you post the source of MyMailMessage class ?

    ReplyDelete
  5. JustinWNovember 14, 2012 at 2:45 PM

    Hi @MaKay, sorry for the confusion. MyMailMessage class is actually an extension of the POCO library class, MailMessage. I will include MyMailMessage header file for you to refer.

    ReplyDelete
  6. MaKayNovember 14, 2012 at 2:52 PM

    It clear me now, thanks JustinW.

    ReplyDelete
  7. MaKayNovember 22, 2012 at 2:57 PM

    In ProcessEmail member function of Service class, you haven't saved file attachments to somewhere in local, have you? And if email's file attachments are binary format (word, excel, pdf), how can you save them ?

    ReplyDelete
  8. JustinWNovember 23, 2012 at 7:08 PM

    File::Copy(outputBodyPath,creatorFilePath) will copy any attachment found in email to local server file directory.

    ReplyDelete
  9. MaKayDecember 7, 2012 at 2:35 PM

    Thanks JustinW.

    ReplyDelete
  10. JochenOnlineApril 24, 2013 at 2:22 AM

    Could you please add MyPartHandler.h also!?

    ReplyDelete
  11. JochenOnlineApril 25, 2013 at 12:42 AM

    Didn't you have this problem? https://github.com/pocoproject/poco/issues/160

    ReplyDelete
    Replies
    1. JustinWMay 30, 2013 at 10:48 PM

      Hi Jochen,

      Sorry, I haven't encountered this issue before. Which email client software are you using? As I know, there're a few different email standards out there that we need to deal with. I've been testing it using Outlook Express, Yahoo and Gmail.

      Delete
  12. tumnusMay 30, 2013 at 8:14 PM

    Hi, can you post Directory.h, too please - and Dircetory.cpp if there is one - this is looking like an awesome piece of code. Thanks!

    ReplyDelete
    Replies
    1. JustinWMay 30, 2013 at 10:51 PM

      Hi tumnus,

      It's my mistake to include Directory headers in there, I don't think any function is using Directory class. Please correct me if I'm wrong.

      Delete
  13. UnknownFebruary 10, 2014 at 9:54 AM

    This comment has been removed by the author.

    ReplyDelete
  14. UnknownFebruary 10, 2014 at 9:57 AM

    Hi, kannst Du kurz erklären, wom man die Dateien für #include iconv.h" herbekommt?
    Auf Win7 und VS2010 ist nichts dazu zu finden
    THX.

    ReplyDelete
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