From: Timo Sirainen <timo.sirainen@open-xchange.com>
Date: Mon, 2 Feb 2026 11:43:03 +0000 (+0200)
Subject: submission-login: proxy - Don't try to reconnect and retry XCLIENT command failures
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e4fd6e2fbb5e467b58c5db53bed1601e6f399bda;p=thirdparty%2Fdovecot%2Fcore.git

submission-login: proxy - Don't try to reconnect and retry XCLIENT command failures
---

diff --git a/src/submission-login/submission-proxy.c b/src/submission-login/submission-proxy.c
index d82c59b715..ec8a59a031 100644
--- a/src/submission-login/submission-proxy.c
+++ b/src/submission-login/submission-proxy.c
@@ -623,9 +623,11 @@ int submission_proxy_parse_line(struct client *client, const char *line)
 		if (invalid_line || (status / 100) != 2) {
 			const char *reason = t_strdup_printf(
 				"XCLIENT failed: %s", str_sanitize(line, 160));
+			/* XCLIENT failure is some misconfiguration - don't try
+			   to reconnect. */
 			login_proxy_failed(client->login_proxy,
 				login_proxy_get_event(client->login_proxy),
-				LOGIN_PROXY_FAILURE_TYPE_REMOTE, reason);
+				LOGIN_PROXY_FAILURE_TYPE_REMOTE_CONFIG, reason);
 			return -1;
 		}
 		if (!last_line)