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- .\" generated by cd2nroff 0.1 from CURLOPT_MAIL_FROM.md
- .TH CURLOPT_MAIL_FROM 3 "2025-01-17" 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)
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