From b724038a67e84ca71b146bf4b9b044be2dc8c0b4 Mon Sep 17 00:00:00 2001
From: David Laban <alsuren@gmail.com>
Date: Thu, 6 Aug 2020 13:54:18 +0100
Subject: [PATCH] fix: tell tls what the smtps server name is (#634)

---
 courier/courier.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/courier/courier.go b/courier/courier.go
index 08ed53c87d1..b0c2852d533 100644
--- a/courier/courier.go
+++ b/courier/courier.go
@@ -49,7 +49,7 @@ func NewSMTP(d smtpDependencies, c configuration.Provider) *Courier {
 		ssl = true
 		sslSkipVerify, _ := strconv.ParseBool(uri.Query().Get("skip_ssl_verify"))
 		// #nosec G402 This is ok (and required!) because it is configurable and disabled by default.
-		tlsConfig = &tls.Config{InsecureSkipVerify: sslSkipVerify}
+		tlsConfig = &tls.Config{InsecureSkipVerify: sslSkipVerify, ServerName: uri.Hostname()}
 	}
 
 	return &Courier{