From: Stephan Bosch <stephan.bosch@open-xchange.com>
Date: Tue, 30 Sep 2025 02:35:01 +0000 (+0200)
Subject: lib-smtp: smtp-client-command - Allow sending empty AUTH line
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=613ebbd2b52a483210ba863e9fb3f09062ddf6dd;p=thirdparty%2Fdovecot%2Fcore.git

lib-smtp: smtp-client-command - Allow sending empty AUTH line
---

diff --git a/src/lib-smtp/smtp-client-command.c b/src/lib-smtp/smtp-client-command.c
index 66d5bb5c24..deb15d4473 100644
--- a/src/lib-smtp/smtp-client-command.c
+++ b/src/lib-smtp/smtp-client-command.c
@@ -509,8 +509,10 @@ static void smtp_client_command_sent(struct smtp_client_command *cmd)
 
 	if (cmd->data == NULL)
 		e_debug(e->event(), "Sent");
-	else {
-		i_assert(str_len(cmd->data) > 2);
+	else if (str_len(cmd->data) <= 2) {
+		i_assert(str_len(cmd->data) == 2);
+		e_debug(e->event(), "Sent empty line");
+	} else {
 		str_truncate(cmd->data, str_len(cmd->data)-2);
 		e_debug(e->event(), "Sent: %s", str_c(cmd->data));
 	}