79 lines
2.8 KiB
Groff
79 lines
2.8 KiB
Groff
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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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.\" * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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.\" *
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.\" * This software is licensed as described in the file COPYING, which
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.\" * you should have received as part of this distribution. The terms
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.\" * are also available at https://curl.se/docs/copyright.html.
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.\" *
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.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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.\" * copies of the Software, and permit persons to whom the Software is
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.\" * furnished to do so, under the terms of the COPYING file.
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.\" *
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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.\" * KIND, either express or implied.
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.\" *
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.\" * SPDX-License-Identifier: curl
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.\" *
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.\" **************************************************************************
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.\"
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.TH CURLOPT_MAIL_AUTH 3 "19 Jun 2014" libcurl libcurl
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.SH NAME
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CURLOPT_MAIL_AUTH \- SMTP authentication address
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_MAIL_AUTH, char *auth);
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.fi
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.SH DESCRIPTION
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Pass a pointer to a null-terminated string as parameter. This is used to
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specify the authentication address (identity) of a submitted message that is
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being relayed to another server.
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This optional parameter allows co-operating agents in a trusted environment to
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communicate the authentication of individual messages and should only be used
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by the application program, using libcurl, if the application is itself a mail
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server acting in such an environment. If the application is operating as such
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and the AUTH address is not known or is invalid, then an empty string should
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be used for this parameter.
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Unlike \fICURLOPT_MAIL_FROM(3)\fP and \fICURLOPT_MAIL_RCPT(3)\fP, the address
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should not be specified within a pair of angled brackets (<>). However, if an
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empty string is used then a pair of brackets are sent by libcurl as required
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by RFC 2554.
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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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.SH DEFAULT
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NULL
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.SH PROTOCOLS
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SMTP
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.SH EXAMPLE
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.nf
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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_AUTH, "<secret@cave>");
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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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.fi
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.SH AVAILABILITY
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Added in 7.25.0
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.SH 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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.SH "SEE ALSO"
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.BR CURLOPT_MAIL_FROM (3),
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.BR CURLOPT_MAIL_RCPT (3)
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