diff --git a/conf/app.ini b/conf/app.ini
index 1c7021072f6d..9d4ee0b594ab 100644
--- a/conf/app.ini
+++ b/conf/app.ini
@@ -1,12 +1,14 @@
-# App name that shows on every page title
+; App name that shows on every page title
 APP_NAME = Gogs: Go Git Service
-# !!MUST CHANGE TO YOUR USER NAME!!
+; !!MUST CHANGE TO YOUR USER NAME!!
 RUN_USER = lunny
+; Either "dev", "prod" or "test", based on martini
+RUN_MODE = dev
 
 [repository]
 ROOT = /Users/%(RUN_USER)s/git/gogs-repositories
-LANG_IGNS=Google Go|C|Python|Ruby|C Sharp
-LICENSES=Apache v2 License|GPL v2|MIT License|Affero GPL|BSD (3-Clause) License
+LANG_IGNS = Google Go|C|Python|Ruby|C Sharp
+LICENSES = Apache v2 License|GPL v2|MIT License|Affero GPL|BSD (3-Clause) License
 
 [server]
 DOMAIN = gogits.org
@@ -14,15 +16,25 @@ HTTP_ADDR =
 HTTP_PORT = 3000
 
 [database]
-# Either "mysql" or "postgres", it's your choice
+; Either "mysql" or "postgres", it's your choice
 DB_TYPE = mysql
 HOST = 
 NAME = gogs
 USER = root
 PASSWD =
-# For "postgres" only, either "disable" or "verify-full"
+; For "postgres" only, either "disable", "require" or "verify-full"
 SSL_MODE = disable
 
 [security]
-# !!CHANGE THIS TO KEEP YOUR USER DATA SAFE!!
+; !!CHANGE THIS TO KEEP YOUR USER DATA SAFE!!
 USER_PASSWD_SALT = !#@FDEWREWR&*(
+
+[mailer]
+ENABLED = true
+; Name displayed in mail title
+NAME = %(APP_NAME)s
+; Mail server
+HOST = 
+; Mailer user name and password
+USER = 
+PASSWD = 
\ No newline at end of file
diff --git a/models/user.go b/models/user.go
index 87c644b2b691..80af9bd4ba86 100644
--- a/models/user.go
+++ b/models/user.go
@@ -252,7 +252,7 @@ func LoginUserPlain(name, passwd string) (*User, error) {
 	} else if !has {
 		err = ErrUserNotExist
 	}
-	return &user, nil
+	return &user, err
 }
 
 // FollowUser marks someone be another's follower.
diff --git a/modules/base/conf.go b/modules/base/conf.go
index 9ed5545e8afc..83c7f8872d7f 100644
--- a/modules/base/conf.go
+++ b/modules/base/conf.go
@@ -13,13 +13,23 @@ import (
 
 	"github.com/Unknwon/com"
 	"github.com/Unknwon/goconfig"
+
+	"github.com/gogits/gogs/modules/log"
 )
 
+// Mailer represents a mail service.
+type Mailer struct {
+	Name         string
+	Host         string
+	User, Passwd string
+}
+
 var (
-	AppVer  string
-	AppName string
-	Domain  string
-	Cfg     *goconfig.ConfigFile
+	AppVer      string
+	AppName     string
+	Domain      string
+	Cfg         *goconfig.ConfigFile
+	MailService *Mailer
 )
 
 func exeDir() (string, error) {
@@ -59,6 +69,17 @@ func init() {
 	}
 	Cfg.BlockMode = false
 
-	AppName = Cfg.MustValue("", "APP_NAME")
+	AppName = Cfg.MustValue("", "APP_NAME", "Gogs: Go Git Service")
 	Domain = Cfg.MustValue("server", "DOMAIN")
+
+	// Check mailer setting.
+	if Cfg.MustBool("mailer", "ENABLED") {
+		MailService = &Mailer{
+			Name:   Cfg.MustValue("mailer", "NAME", AppName),
+			Host:   Cfg.MustValue("mailer", "HOST", "127.0.0.1:25"),
+			User:   Cfg.MustValue("mailer", "USER", "example@example.com"),
+			Passwd: Cfg.MustValue("mailer", "PASSWD", "******"),
+		}
+		log.Info("Mail Service Enabled")
+	}
 }
diff --git a/web.go b/web.go
index ca504ea56013..cc20097907dd 100644
--- a/web.go
+++ b/web.go
@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"html/template"
 	"net/http"
+	"strings"
 
 	"github.com/codegangsta/cli"
 	"github.com/codegangsta/martini"
@@ -34,8 +35,20 @@ gogs web`,
 	Flags:  []cli.Flag{},
 }
 
+// Check run mode(Default of martini is Dev).
+func checkRunMode() {
+	switch base.Cfg.MustValue("", "RUN_MODE") {
+	case "prod":
+		martini.Env = martini.Prod
+	case "test":
+		martini.Env = martini.Test
+	}
+	log.Info("Run Mode: %s", strings.Title(martini.Env))
+}
+
 func runWeb(*cli.Context) {
 	log.Info("%s %s", base.AppName, base.AppVer)
+	checkRunMode()
 
 	m := martini.Classic()