From df98dd6a6e95865e39030005d072de2c734b12c0 Mon Sep 17 00:00:00 2001
From: Antoine Nguyen <tonio@ngyn.org>
Date: Fri, 6 Feb 2015 09:26:48 +0100
Subject: [PATCH] Prevent an Internal Error.

---
 modoboa/extensions/amavis/views.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/modoboa/extensions/amavis/views.py b/modoboa/extensions/amavis/views.py
index a15165090..7400d76a5 100644
--- a/modoboa/extensions/amavis/views.py
+++ b/modoboa/extensions/amavis/views.py
@@ -156,7 +156,9 @@ def viewmail_selfservice(request, mail_id,
 
 @selfservice(viewmail_selfservice)
 def viewmail(request, mail_id):
-    rcpt = request.GET["rcpt"]
+    rcpt = request.GET.get("rcpt", None)
+    if rcpt is None:
+        raise BadRequest(_("Invalid request"))
     if request.user.email == rcpt:
         get_connector().set_msgrcpt_status(rcpt, mail_id, 'V')
     elif request.user.mailbox_set.count():