CURLOPT_MAIL_RCPT_ALLOWFAILS(3) Introduction to Library Functions
NAME
CURLOPT_MAIL_RCPT_ALLOWFAILS - allow RCPT TO command to fail for some
recipients
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 remaining 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 res;
/* 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);
res = 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 2025-02-25 CURLOPT_MAIL_RCPT_ALLOWFAILS(3)