From 2058efeef13c648867d0810a98da1f7aea8f64ba Mon Sep 17 00:00:00 2001
From: jordan <jordan@0cfe37f9-358a-4d5e-be75-b63607b5c754>
Date: Tue, 23 Aug 2011 16:48:57 +0000
Subject: [PATCH] Resolves OSQA-704, try to recreate the SMTP connection after
 exception has occurred.

git-svn-id: http://svn.osqa.net/svnroot/osqa/trunk@1165 0cfe37f9-358a-4d5e-be75-b63607b5c754
---
 forum/utils/mail.py  | 37 +++++++++++++++++++++++++++----------
 forum/views/admin.py |  2 ++
 2 files changed, 29 insertions(+), 10 deletions(-)

diff --git a/forum/utils/mail.py b/forum/utils/mail.py
index 88b5f18..5f93b05 100644
--- a/forum/utils/mail.py
+++ b/forum/utils/mail.py
@@ -16,6 +16,7 @@ except:
 
 from django.core.mail import DNS_NAME
 from smtplib import SMTP
+from smtplib import SMTPRecipientsRefused
 from forum import settings
 from django.template import loader, Context, Template
 from forum.utils.html import sanitize_html
@@ -28,6 +29,21 @@ def send_template_email(recipients, template, context):
     context.update(dict(recipients=recipients, settings=settings))
     t.render(Context(context))
 
+def create_connection():
+    connection = SMTP(str(settings.EMAIL_HOST), str(settings.EMAIL_PORT),
+                          local_hostname=DNS_NAME.get_fqdn())
+
+    if (bool(settings.EMAIL_USE_TLS)):
+        connection.ehlo()
+        connection.starttls()
+        connection.ehlo()
+
+    if settings.EMAIL_HOST_USER and settings.EMAIL_HOST_PASSWORD:
+        connection.login(str(settings.EMAIL_HOST_USER), str(settings.EMAIL_HOST_PASSWORD))
+
+    return connection
+
+
 def create_and_send_mail_messages(messages):
     if not settings.EMAIL_HOST:
         return
@@ -37,21 +53,15 @@ def create_and_send_mail_messages(messages):
     sender = u'%s <%s>' % (unicode(settings.APP_SHORT_NAME), unicode(settings.DEFAULT_FROM_EMAIL))
 
     try:
-        connection = SMTP(str(settings.EMAIL_HOST), str(settings.EMAIL_PORT),
-                          local_hostname=DNS_NAME.get_fqdn())
-
-        if (bool(settings.EMAIL_USE_TLS)):
-            connection.ehlo()
-            connection.starttls()
-            connection.ehlo()
-
-        if settings.EMAIL_HOST_USER and settings.EMAIL_HOST_PASSWORD:
-            connection.login(str(settings.EMAIL_HOST_USER), str(settings.EMAIL_HOST_PASSWORD))
+        connection = None
 
         if sender is None:
             sender = str(settings.DEFAULT_FROM_EMAIL)
 
         for recipient, subject, html, text, media in messages:
+	    if connection is None:
+		connection = create_connection()
+
             msgRoot = MIMEMultipart('related')
 
             msgRoot['Subject'] = Header(subject, 'utf-8')
@@ -78,8 +88,15 @@ def create_and_send_mail_messages(messages):
 
             try:
                 connection.sendmail(sender, [recipient.email], msgRoot.as_string())
+	    except SMTPRecipientsRefused, e:
+		logging.error("Email address not accepted.  Exception: %s" % e)
             except Exception, e:
                 logging.error("Couldn't send mail using the sendmail method: %s" % e)
+		try:
+		    connection.quit()
+		    connection = None
+		except Exception:
+		    connection = None
 
         try:
             connection.quit()
diff --git a/forum/views/admin.py b/forum/views/admin.py
index 67047ba..4823920 100644
--- a/forum/views/admin.py
+++ b/forum/views/admin.py
@@ -1,6 +1,7 @@
 from datetime import datetime, timedelta
 import time
 
+from django.views.decorators.csrf import csrf_exempt
 from django.shortcuts import render_to_response, get_object_or_404
 from django.core.urlresolvers import reverse
 from django.http import HttpResponseRedirect, HttpResponse, Http404
@@ -574,6 +575,7 @@ def node_management(request):
     'hide_menu': True
     }))
 
+@csrf_exempt
 @super_user_required
 def test_email_settings(request):
     user = request.user
-- 
2.45.1