/***************************************************************************
*                                  _   _ ____  _
*  Project                     ___| | | |  _ \| |
*                             / __| | | | |_) | |
*                            | (__| |_| |  _ <| |___
*                             \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/

#include <stddef.h>
#include <stdlib.h>
#include <curl/curl.h>

const char* cacert_filepath = "";
int smtp_port = 25;
const char* smtp_host = "";
const char* smtp_login = "";
const char* smtp_password = "";
const char* sender_email = "";
const char* recipient = "";
FILE* f = fopen("test.eml","rb");

int main(void)
{

    curl_global_init(CURL_GLOBAL_ALL );
    CURL* curl_ptr = curl_easy_init();
    if(!curl_ptr)
        return 1;

    curl_easy_setopt(curl_ptr,CURLOPT_TIMEOUT,120);

    curl_easy_setopt(curl_ptr, CURLOPT_USE_SSL, CURLUSESSL_ALL);
    curl_easy_setopt(curl_ptr, CURLOPT_SSL_VERIFYPEER,1);
    curl_easy_setopt(curl_ptr, CURLOPT_SSL_VERIFYHOST, 2);
    curl_easy_setopt(curl_ptr, CURLOPT_CAINFO, cacert_filepath);
    curl_easy_setopt(curl_ptr, CURLOPT_SSLVERSION, CURL_SSLVERSION_DEFAULT);
    curl_easy_setopt(curl_ptr, CURLOPT_SSL_SESSIONID_CACHE, 1);

    curl_easy_setopt(curl_ptr, CURLOPT_URL, smtp_host);
    curl_easy_setopt(curl_ptr, CURLOPT_PORT, smtp_port);
    curl_easy_setopt(curl_ptr, CURLOPT_USERNAME, smtp_login);
    curl_easy_setopt(curl_ptr, CURLOPT_PASSWORD, smtp_password);
    curl_easy_setopt(curl_ptr, CURLOPT_MAIL_FROM, sender_email);

    struct curl_slist* rcpt_list = NULL;
    rcpt_list = curl_slist_append(rcpt_list, recipient);
    curl_easy_setopt(curl_ptr, CURLOPT_MAIL_RCPT, rcpt_list);

    curl_easy_setopt(curl_ptr, CURLOPT_READDATA, f);

    CURLcode error_code = curl_easy_perform(curl_ptr);
    if(error_code != CURLE_OK)
        return 1;

    curl_slist_free_all(rcpt_list);
    curl_easy_cleanup(curl_ptr);
    curl_global_cleanup();
    fclose(f);
    return 0;
}