From 910ab50091f650481d1875c9c4c5cf91087856f2 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Tue, 23 Oct 2007 19:25:41 +0000
Subject: [PATCH] Issue 1307 by Derek Shockey, fox the same bug for RCPT. Neal:
 please backport!

---
 Lib/smtpd.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/smtpd.py b/Lib/smtpd.py
index 4aa34763ecf..e09774f2d9b 100755
--- a/Lib/smtpd.py
+++ b/Lib/smtpd.py
@@ -237,7 +237,7 @@ class SMTPChannel(asynchat.async_chat):
         if not self.__mailfrom:
             self.push('503 Error: need MAIL command')
             return
-        address = self.__getaddr('TO:', arg)
+        address = self.__getaddr('TO:', arg) if arg else None
         if not address:
             self.push('501 Syntax: RCPT TO: <address>')
             return