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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				  2025-06-03		  CURLOPT_MAIL_FROM(3)

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