Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/docs/examples/smtp-vrfy.c @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1 /***************************************************************************
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2 * _ _ ____ _
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3 * Project ___| | | | _ \| |
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4 * / __| | | | |_) | |
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5 * | (__| |_| | _ <| |___
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6 * \___|\___/|_| \_\_____|
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7 *
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8 * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
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9 *
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10 * This software is licensed as described in the file COPYING, which
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11 * you should have received as part of this distribution. The terms
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12 * are also available at https://curl.haxx.se/docs/copyright.html.
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13 *
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14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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15 * copies of the Software, and permit persons to whom the Software is
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16 * furnished to do so, under the terms of the COPYING file.
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17 *
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18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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19 * KIND, either express or implied.
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20 *
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21 ***************************************************************************/
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23 /* <DESC>
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24 * SMTP example showing how to verify an e-mail address
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25 * </DESC>
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26 */
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28 #include <stdio.h>
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29 #include <string.h>
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30 #include <curl/curl.h>
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32 /* This is a simple example showing how to verify an e-mail address from an
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33 * SMTP server.
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34 *
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35 * Notes:
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36 *
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37 * 1) This example requires libcurl 7.34.0 or above.
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38 * 2) Not all email servers support this command and even if your email server
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39 * does support it, it may respond with a 252 response code even though the
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40 * address doesn't exist.
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41 */
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43 int main(void)
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44 {
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45 CURL *curl;
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46 CURLcode res;
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47 struct curl_slist *recipients = NULL;
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49 curl = curl_easy_init();
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50 if(curl) {
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51 /* This is the URL for your mailserver */
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52 curl_easy_setopt(curl, CURLOPT_URL, "smtp://mail.example.com");
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54 /* Note that the CURLOPT_MAIL_RCPT takes a list, not a char array */
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55 recipients = curl_slist_append(recipients, "<recipient@example.com>");
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56 curl_easy_setopt(curl, CURLOPT_MAIL_RCPT, recipients);
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58 /* Perform the VRFY */
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59 res = curl_easy_perform(curl);
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61 /* Check for errors */
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62 if(res != CURLE_OK)
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63 fprintf(stderr, "curl_easy_perform() failed: %s\n",
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64 curl_easy_strerror(res));
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66 /* Free the list of recipients */
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67 curl_slist_free_all(recipients);
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69 /* Curl won't send the QUIT command until you call cleanup, so you should
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70 * be able to re-use this connection for additional requests. It may not be
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71 * a good idea to keep the connection open for a very long time though
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72 * (more than a few minutes may result in the server timing out the
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73 * connection) and you do want to clean up in the end.
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74 */
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75 curl_easy_cleanup(curl);
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76 }
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78 return 0;
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79 }