add config options for HELO

.gopmfile

 github.com/macaron-contrib/toolbox = commit:acbfe36e16
 github.com/mattn/go-sqlite3 = commit:e28cd440fa
 github.com/microcosm-cc/bluemonday = commit:fcd0f5074e
+github.com/msteinert/pam = 
 github.com/nfnt/resize = commit:53e9ca890b
 github.com/russross/blackfriday = commit:6928e11ecd
 github.com/shurcooL/go = commit:bc30a0bd33

conf/app.ini

 ; QQ: smtp.qq.com:25
 ; Note, if the port ends with "465", SMTPS will be used. Using STARTTLS on port 587 is recommended per RFC 6409. If the server supports STARTTLS it will always be used.
 HOST =
+; Disable HELO operation when hostname are different.
+DISABLE_HELO = 
+; Custom hostname for HELO operation, default is from system.
+HELO_HOSTNAME = 
 ; Do not verify the certificate of the server. Only use this for self-signed certificates
 SKIP_VERIFY = 
 ; Use client certificate

gogs.go

 	"github.com/gogits/gogs/modules/setting"
 )
 
-const APP_VER = "0.6.1.0327 Beta"
+const APP_VER = "0.6.1.0703 Beta"
 
 func init() {
 	runtime.GOMAXPROCS(runtime.NumCPU())

modules/mailer/mailer.go

 		return err
 	}
 
-	hostname, err := os.Hostname()
-	if err != nil {
-		return err
-	}
+	if !setting.MailService.DisableHelo {
+		hostname := setting.MailService.HeloHostname
+		if len(hostname) == 0 {
+			hostname, err = os.Hostname()
+			if err != nil {
+				return err
+			}
+		}
 
-	if err = client.Hello(hostname); err != nil {
-		return err
+		if err = client.Hello(hostname); err != nil {
+			return err
+		}
 	}
 
 	// If not using SMTPS, alway use STARTTLS if available

modules/setting/setting.go

 	Host              string
 	From              string
 	User, Passwd      string
+	DisableHelo       bool
+	HeloHostname      string
 	SkipVerify        bool
 	UseCertificate    bool
 	CertFile, KeyFile string
 		Host:           sec.Key("HOST").String(),
 		User:           sec.Key("USER").String(),
 		Passwd:         sec.Key("PASSWD").String(),
+		DisableHelo:    sec.Key("DISABLE_HELO").MustBool(),
+		HeloHostname:   sec.Key("HELO_HOSTNAME").String(),
 		SkipVerify:     sec.Key("SKIP_VERIFY").MustBool(),
 		UseCertificate: sec.Key("USE_CERTIFICATE").MustBool(),
 		CertFile:       sec.Key("CERT_FILE").String(),

templates/.VERSION

-0.6.1.0327 Beta
+0.6.1.0703 Beta