.\" generated by cd2nroff 0.1 from CURLOPT_MAIL_FROM.md
.TH CURLOPT_MAIL_FROM 3 "2024-11-18" libcurl
.SH NAME
CURLOPT_MAIL_FROM \- SMTP sender address
.SH SYNOPSIS
.nf
#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_MAIL_FROM, char *from);
.fi
.SH DESCRIPTION
Pass a pointer to a null\-terminated string as parameter. This should be used
to specify the sender\(aqs 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.
.SH DEFAULT
blank
.SH PROTOCOLS
This functionality affects smtp only
.SH EXAMPLE
.nf
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);
  }
}
.fi
.SH AVAILABILITY
Added in curl 7.20.0
.SH RETURN VALUE
Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or
CURLE_OUT_OF_MEMORY if there was insufficient heap space.
.SH SEE ALSO
.BR CURLOPT_MAIL_AUTH (3),
.BR CURLOPT_MAIL_RCPT (3)