Adjust the description of remote_sender parameter.

It represents the e-mail address used while sending message to the outgoing SMTP server.

config.go

@@ -25,7 +25,7 @@ var (
 	remoteHost        = flag.String("remote_host", "smtp.gmail.com:587", "Outgoing SMTP server")
 	remoteUser        = flag.String("remote_user", "", "Username for authentication on outgoing SMTP server")
 	remotePass        = flag.String("remote_pass", "", "Password for authentication on outgoing SMTP server")
-	remoteSender      = flag.String("remote_sender", "", "Sender username for messages on outgoing SMTP server")
+	remoteSender      = flag.String("remote_sender", "", "Sender e-mail address on outgoing SMTP server")
 	versionInfo       = flag.Bool("version", false, "Show version information")
 )
 

smtprelay.ini

@@ -54,3 +54,6 @@
 ; Authentication credentials on outgoing SMTP server
 ;remote_user =
 ;remote_pass =
+
+; Sender e-mail address on outgoing SMTP server
+;remote_sender =