From: Daniel Stenberg <daniel@haxx.se>
Date: Sun, 19 Oct 2025 09:28:15 +0000 (+0200)
Subject: smtp: return value ignored
X-Git-Tag: rc-8_17_0-2~15
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=fffc16dd9c4ad063ecee2ac073266120b203e136;p=thirdparty%2Fcurl.git

smtp: return value ignored

Return value from Curl_client_write was overwritten by
smtp_perform_command making errors ignored.

Pointed out by ZeroPath

Closes #19136
---

diff --git a/lib/smtp.c b/lib/smtp.c
index 76ed4f280a..30f8535765 100644
--- a/lib/smtp.c
+++ b/lib/smtp.c
@@ -1136,7 +1136,7 @@ static CURLcode smtp_state_command_resp(struct Curl_easy *data,
     if(!data->req.no_body)
       result = Curl_client_write(data, CLIENTWRITE_BODY, line, len);
 
-    if(smtpcode != 1) {
+    if(!result && (smtpcode != 1)) {
       if(smtp->rcpt) {
         smtp->rcpt = smtp->rcpt->next;