/*В общем надо отправить сообщение, но вопрос в том, что нужно, наверное вставить в Date: переменную time_t It , затем ещё такой вопрос: как отправить текст перем-ной *str и может быть что-то ещё надо сделать чтобы нормально отправить */
#include "Header.h"
#define FROM_ADDR  "lol@сайт-злодій"
#define TO_ADDR      "kek@сайт-злодій"
#define CC_ADDR      "Lol<lol@сайт-злодій> (ABC Company), lol.witch@herssite.com"
#define FROM_MAIL "Sender Person " FROM_ADDR
#define TO_MAIL   "A Receiver " TO_ADDR
#define CC_MAIL   "Message " CC_ADDR
 
///////////////////////////////////////////
time_t It = time(NULL);
const wchar_t *str = L"Hello";
static const char *payload_text[] = {
    "Date: Mon, 10 Nov 2018 21:54:29 +1100\r\n",
    "To: " TO_MAIL "\r\n",
    "From: " FROM_MAIL "\r\n",
    "Cc: " CC_MAIL "\r\n",
    "Message-ID: <dcd7cb36-11db-487a-9f3a-e652a9458efd@"
    "rfcpedant.example.org>\r\n",
    "Subject: SMTP example message\r\n",
    "\r\n", /* empty line to divide headers from body, see RFC5322 */
    "The body of the message starts here.\r\n",
    "\r\n",
    "It could be a lot of lines, could be MIME encoded, whatever.\r\n",
    "Check RFC5322.\r\n",
    NULL
};
 
struct upload_status {
    int lines_read;
};
 
static size_t payload_source(void *ptr, size_t size, size_t nmemb, void *userp)
{
    struct upload_status *upload_ctx = (struct upload_status *)userp;
    const char *data;
 
    if ((size == 0) || (nmemb == 0) || ((size*nmemb) < 1)) {
        return 0;
    }
 
    data = payload_text[upload_ctx->lines_read];
 
    if (data) {
        size_t len = strlen(data);
        memcpy(ptr, data, len);
        upload_ctx->lines_read++;
 
        return len;
    }
 
    return 0;
}
 
int mail(void)
{
    CURL *curl;
    CURLcode res = CURLE_OK;
    struct curl_slist *recipients = NULL;
    struct upload_status upload_ctx;
 
    upload_ctx.lines_read = 0;
 
    curl = curl_easy_init();
    if (curl) {
 
        curl_easy_setopt(curl, CURLOPT_URL, "smtp://mail.example.com");
 
        curl_easy_setopt(curl, CURLOPT_MAIL_FROM, FROM_ADDR);
 
 
        recipients = curl_slist_append(recipients, TO_ADDR);
        recipients = curl_slist_append(recipients, CC_ADDR);
        curl_easy_setopt(curl, CURLOPT_MAIL_RCPT, recipients);
 
        curl_easy_setopt(curl, CURLOPT_READFUNCTION, payload_source);
        curl_easy_setopt(curl, CURLOPT_READDATA, &upload_ctx);
        curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
 
 
        res = curl_easy_perform(curl);
 
 
        if (res != CURLE_OK)
            fprintf(stderr, "curl_easy_perform() failed: %s\n",
                curl_easy_strerror(res));
 
 
        curl_slist_free_all(recipients);
 
 
        curl_easy_cleanup(curl);
    }
 
    return (int)res;
}