Unknown option: "-3"
Unix manual page for CURLOPT_MAIL_FROM. (host=minya system=Darwin)
CURLOPT_MAIL_FROM(3) curl_easy_setopt options 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 zero 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 will be added automatically.
If this parameter is not specified then an empty address will be sent
to the mail server which may cause the email to be rejected.
The application does not have to keep the string around after setting
this option.
DEFAULT
blank
PROTOCOLS
SMTP
EXAMPLE
TODO
AVAILABILITY
Added in 7.20.0
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.
SEE ALSO
CURLOPT_MAIL_RCPT(3), CURLOPT_MAIL_AUTH(3),
libcurl 7.54.0 December 21, 2016 CURLOPT_MAIL_FROM(3)