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CURLOPT_MA...ALLOWFAILS(3)  Library Functions Manual  CURLOPT_MA...ALLOWFAILS(3)

NAME
     CURLOPT_MAIL_RCPT_ALLOWFAILS  -  allow RCPT TO command to fail for some re-
     cipients

SYNOPSIS
     #include <curl/curl.h>

     CURLcode curl_easy_setopt(CURL *handle, CURLOPT_MAIL_RCPT_ALLOWFAILS,
			       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 aborts  the  SMTP
     conversation  if either one of the recipients causes the RCPT TO command to
     return an error.

     The default behavior can be changed by setting  allow  to	1L  which  makes
     libcurl  ignore  errors  for individual recipients and proceed with the re-
     maining accepted recipients.

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

DEFAULT
     0

PROTOCOLS
     This functionality affects smtp only

EXAMPLE
     int main(void)
     {
       CURL *curl = curl_easy_init();
       if(curl) {
	 struct curl_slist *list;
	 CURLcode result;

	 /* 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_ALLOWFAILS, 1L);

	 result = curl_easy_perform(curl);
	 curl_slist_free_all(list);
	 curl_easy_cleanup(curl);
       }
     }

HISTORY
     This option was called CURLOPT_MAIL_RCPT_ALLLOWFAILS (with three instead of
     two letter L) before 8.2.0

AVAILABILITY
     Added in curl 8.2.0

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_FROM(3), CURLOPT_MAIL_RCPT(3)

libcurl 			   2026-06-11	      CURLOPT_MA...ALLOWFAILS(3)

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