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CURLOPT_MAIL_FROM(3)       Library Functions Manual       CURLOPT_MAIL_FROM(3)


NAME

       CURLOPT_MAIL_FROM - SMTP sender address


SYNOPSIS

       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_MAIL_FROM, char *from);


DESCRIPTION

       Pass a pointer to a null-terminated string as parameter. This should be
       used to specify the sender's email address when sending SMTP mail with
       libcurl.

       An originator email address should be specified with angled brackets
       (<>) around it, which if not specified are added automatically.

       If this parameter is not specified then an empty address is sent to the
       SMTP server which might cause the email to be rejected.

       The application does not have to keep the string around after setting
       this option.

       Using this option multiple times makes the last set string override the
       previous ones. Set it to NULL to disable its use again.


DEFAULT

       blank


PROTOCOLS

       This functionality affects smtp only


EXAMPLE

       int main(void)
       {
         CURL *curl = curl_easy_init();
         if(curl) {
           CURLcode res;
           curl_easy_setopt(curl, CURLOPT_URL, "smtp://example.com/");
           curl_easy_setopt(curl, CURLOPT_MAIL_FROM, "president@example.com");
           res = curl_easy_perform(curl);
           curl_easy_cleanup(curl);
         }
       }


AVAILABILITY

       Added in curl 7.20.0


RETURN VALUE

       curl_easy_setopt(3) returns a CURLcode indicating success or error.

       CURLE_OK (0) means everything was OK, non-zero means an error occurred,
       see libcurl-errors(3).


SEE ALSO

       CURLOPT_MAIL_AUTH(3), CURLOPT_MAIL_RCPT(3)

libcurl                           2025-02-08              CURLOPT_MAIL_FROM(3)

curl 8.12.0 - Generated Sat Feb 15 15:30:53 CST 2025
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