72 lines
1.5 KiB
Markdown
72 lines
1.5 KiB
Markdown
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---
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c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLOPT_MAIL_FROM
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Section: 3
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Source: libcurl
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See-also:
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- CURLOPT_MAIL_AUTH (3)
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- CURLOPT_MAIL_RCPT (3)
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Protocol:
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- SMTP
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Added-in: 7.20.0
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---
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# NAME
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CURLOPT_MAIL_FROM - SMTP sender address
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# SYNOPSIS
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~~~c
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_MAIL_FROM, char *from);
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~~~
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# DESCRIPTION
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Pass a pointer to a null-terminated string as parameter. This should be used
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to specify the sender's email address when sending SMTP mail with libcurl.
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An originator email address should be specified with angled brackets (\<\>)
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around it, which if not specified are added automatically.
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If this parameter is not specified then an empty address is sent to the SMTP
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server which might cause the email to be rejected.
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The application does not have to keep the string around after setting this
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option.
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Using this option multiple times makes the last set string override the
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previous ones. Set it to NULL to disable its use again.
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# DEFAULT
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blank
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# %PROTOCOLS%
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# EXAMPLE
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~~~c
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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CURLcode res;
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curl_easy_setopt(curl, CURLOPT_URL, "smtp://example.com/");
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curl_easy_setopt(curl, CURLOPT_MAIL_FROM, "president@example.com");
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res = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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}
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}
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~~~
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# %AVAILABILITY%
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# RETURN VALUE
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Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or
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CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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