From d46f53a00420d96b19c31691856b0cf07709dd6c Mon Sep 17 00:00:00 2001
From: link2xt <link2xt@testrun.org>
Date: Wed, 24 Jul 2024 08:51:04 +0000
Subject: [PATCH] fix(smtp): use DNS cache for implicit TLS connections

load_cache argument to connect_tcp() should only be false
if strict TLS checks are disabled or TLS is not used.
---
 src/smtp.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/smtp.rs b/src/smtp.rs
index 2358c238f..0b626aba8 100644
--- a/src/smtp.rs
+++ b/src/smtp.rs
@@ -178,7 +178,7 @@ impl Smtp {
         port: u16,
         strict_tls: bool,
     ) -> Result<SmtpTransport<Box<dyn SessionBufStream>>> {
-        let tcp_stream = connect_tcp(context, hostname, port, SMTP_TIMEOUT, false).await?;
+        let tcp_stream = connect_tcp(context, hostname, port, SMTP_TIMEOUT, strict_tls).await?;
         let tls_stream = wrap_tls(strict_tls, hostname, &["smtp"], tcp_stream).await?;
         let buffered_stream = BufStream::new(tls_stream);
         let session_stream: Box<dyn SessionBufStream> = Box::new(buffered_stream);