From f907330c9eee2498e499838e187381688aae3f92 Mon Sep 17 00:00:00 2001
From: bergquist <carl.bergquist@gmail.com>
Date: Thu, 15 Dec 2016 08:27:21 +0100
Subject: [PATCH] tech(mailer): improves error when grafana cannot read open
 cert/key file

ref #6949
---
 pkg/services/notifications/mailer.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/services/notifications/mailer.go b/pkg/services/notifications/mailer.go
index 4bcce804ee4..c2d2cd5beca 100644
--- a/pkg/services/notifications/mailer.go
+++ b/pkg/services/notifications/mailer.go
@@ -94,7 +94,7 @@ func createDialer() (*gomail.Dialer, error) {
 	if setting.Smtp.CertFile != "" {
 		cert, err := tls.LoadX509KeyPair(setting.Smtp.CertFile, setting.Smtp.KeyFile)
 		if err != nil {
-			return nil, err
+			return nil, fmt.Errorf("Could not load cert or key file. error: %v", err)
 		}
 		tlsconfig.Certificates = []tls.Certificate{cert}
 	}