From 20857d71e793b9c58392f1daf3c15b1d1a1908d3 Mon Sep 17 00:00:00 2001
From: Derek Parker <derek.parker@coreos.com>
Date: Fri, 25 Sep 2015 12:49:57 -0700
Subject: [PATCH] email/smtp: Fix type comparison error

Fixes #134
---
 email/smtp.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/email/smtp.go b/email/smtp.go
index b8568ead..22a8b539 100644
--- a/email/smtp.go
+++ b/email/smtp.go
@@ -57,7 +57,7 @@ func (cfg *SmtpEmailerConfig) UnmarshalJSON(data []byte) error {
 	if smtpCfg.Host == "" {
 		return errors.New("must set SMTP host")
 	}
-	if smtpCfg.Port == "" {
+	if smtpCfg.Port == 0 {
 		return errors.New("must set SMTP port")
 	}
 	*cfg = SmtpEmailerConfig(smtpCfg)