72 lines
2.7 KiB
C
72 lines
2.7 KiB
C
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/*****************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include <curl/curl.h>
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int main(void)
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{
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CURL *curl;
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CURLcode res;
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struct curl_slist *recipients = NULL;
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/* value for envelope reverse-path */
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static const char *from = "bradh@example.com";
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/* this becomes the envelope forward-path */
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static const char *to = "bradh@example.net";
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curl = curl_easy_init();
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if(curl) {
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/* this is the URL for your mailserver - you can also use an smtps:// URL
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* here */
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curl_easy_setopt(curl, CURLOPT_URL, "smtp://mail.example.net.");
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/* Note that this option isn't strictly required, omitting it will result in
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* libcurl will sent the MAIL FROM command with no sender data. All
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* autoresponses should have an empty reverse-path, and should be directed
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* to the address in the reverse-path which triggered them. Otherwise, they
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* could cause an endless loop. See RFC 5321 Section 4.5.5 for more details.
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*/
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curl_easy_setopt(curl, CURLOPT_MAIL_FROM, from);
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/* Note that the CURLOPT_MAIL_RCPT takes a list, not a char array. */
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recipients = curl_slist_append(recipients, to);
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curl_easy_setopt(curl, CURLOPT_MAIL_RCPT, recipients);
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/* You provide the payload (headers and the body of the message) as the
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* "data" element. There are two choices, either:
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* - provide a callback function and specify the function name using the
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* CURLOPT_READFUNCTION option; or
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* - just provide a FILE pointer that can be used to read the data from.
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* The easiest case is just to read from standard input, (which is available
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* as a FILE pointer) as shown here.
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*/
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curl_easy_setopt(curl, CURLOPT_READDATA, stdin);
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/* send the message (including headers) */
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res = curl_easy_perform(curl);
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/* free the list of recipients */
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curl_slist_free_all(recipients);
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/* curl won't send the QUIT command until you call cleanup, so you should be
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* able to re-use this connection for additional messages (setting
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* CURLOPT_MAIL_FROM and CURLOPT_MAIL_RCPT as required, and calling
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* curl_easy_perform() again. It may not be a good idea to keep the
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* connection open for a very long time though (more than a few minutes may
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* result in the server timing out the connection), and you do want to clean
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* up in the end.
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*/
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curl_easy_cleanup(curl);
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}
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return 0;
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}
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