diff -r 8d941af65caf -r 77b6da96e6f1 web/lib/django/core/mail/utils.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/django/core/mail/utils.py	Wed Jun 02 18:57:35 2010 +0200
@@ -0,0 +1,19 @@
+"""
+Email message and email sending related helper functions.
+"""
+
+import socket
+
+
+# Cache the hostname, but do it lazily: socket.getfqdn() can take a couple of
+# seconds, which slows down the restart of the server.
+class CachedDnsName(object):
+    def __str__(self):
+        return self.get_fqdn()
+
+    def get_fqdn(self):
+        if not hasattr(self, '_fqdn'):
+            self._fqdn = socket.getfqdn()
+        return self._fqdn
+
+DNS_NAME = CachedDnsName()