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comparison mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLOPT_MAIL_AUTH.3 @ 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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23 .TH CURLOPT_MAIL_AUTH 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
24 .SH NAME
25 CURLOPT_MAIL_AUTH \- SMTP authentication address
26 .SH SYNOPSIS
27 #include <curl/curl.h>
28
29 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_MAIL_AUTH, char *auth);
30 .SH DESCRIPTION
31 Pass a pointer to a zero terminated string as parameter. This will be used to
32 specify the authentication address (identity) of a submitted message that is
33 being relayed to another server.
34
35 This optional parameter allows co-operating agents in a trusted environment to
36 communicate the authentication of individual messages and should only be used
37 by the application program, using libcurl, if the application is itself a mail
38 server acting in such an environment. If the application is operating as such
39 and the AUTH address is not known or is invalid, then an empty string should
40 be used for this parameter.
41
42 Unlike \fICURLOPT_MAIL_FROM(3)\fP and \fICURLOPT_MAIL_RCPT(3)\fP, the address
43 should not be specified within a pair of angled brackets (<>). However, if an
44 empty string is used then a pair of brackets will be sent by libcurl as
45 required by RFC2554.
46
47 The application does not have to keep the string around after setting this
48 option.
49 .SH DEFAULT
50 NULL
51 .SH PROTOCOLS
52 SMTP
53 .SH EXAMPLE
54 .nf
55 CURL *curl = curl_easy_init();
56 if(curl) {
57 curl_easy_setopt(curl, CURLOPT_URL, "smtp://example.com/");
58 curl_easy_setopt(curl, CURLOPT_MAIL_AUTH, "<secret@cave>");
59 ret = curl_easy_perform(curl);
60 curl_easy_cleanup(curl);
61 }
62 .fi
63 .SH AVAILABILITY
64 Added in 7.25.0
65 .SH RETURN VALUE
66 Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or
67 CURLE_OUT_OF_MEMORY if there was insufficient heap space.
68 .SH "SEE ALSO"
69 .BR CURLOPT_MAIL_FROM "(3), " CURLOPT_MAIL_RCPT "(3), "