---
name: "CURLOPT_MAIL_RCPT_ALLLOWFAILS"
section: "3"
platform: "linux"
package: "libcurl4-doc"
version: "7.88.1-10+deb12u15"
release: "Debian 12 (Bookworm)"
platforms: ["linux"]
url: "https://new.carta.tech/CURLOPT_MAIL_RCPT_ALLLOWFAILS"
---

# CURLOPT\_MAIL\_RCPT\_ALLLOWFAILS(3)

allow RCPT TO command to fail for some recipients

## NAME

CURLOPT\_MAIL\_RCPT\_ALLLOWFAILS - allow RCPT TO command to fail for some recipients

## SYNOPSIS

```
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_MAIL_RCPT_ALLLOWFAILS,
                          long allow);
```

## DESCRIPTION

If *allow* is set to 1L, allow RCPT TO command to fail for some recipients.

When sending data to multiple recipients, by default curl will abort SMTP conversation if at least one of the recipients causes RCPT TO command to return an error.

The default behavior can be changed by setting *ignore* to 1L which will make curl ignore errors and proceed with the remaining valid recipients.

If all recipients trigger RCPT TO failures and this flag is specified, curl will still abort the SMTP conversation and return the error received from to the last RCPT TO command.

## DEFAULT

0

## PROTOCOLS

SMTP

## EXAMPLE

```
CURL *curl = curl_easy_init();
if(curl) {
  struct curl_slist *list;
  /* Adding one valid and one invalid email address */
  list = curl_slist_append(NULL, "person@example.com");
  list = curl_slist_append(list, "invalidemailaddress");
  curl_easy_setopt(curl, CURLOPT_URL, "smtp://example.com/");
  curl_easy_setopt(curl, CURLOPT_MAIL_RCPT_ALLLOWFAILS, 1L);
  ret = curl_easy_perform(curl);
  curl_slist_free_all(list);
  curl_easy_cleanup(curl);
}
```

## AVAILABILITY

Added in 7.69.0.

## RETURN VALUE

Returns CURLE\_OK if the option is supported, and CURLE\_UNKNOWN\_OPTION if not.

## SEE ALSO

[**CURLOPT\_MAIL\_FROM**(3)](/CURLOPT_MAIL_FROM/3.md), [**CURLOPT\_MAIL\_RCPT**(3)](/CURLOPT_MAIL_RCPT/3.md),