diff --git a/tailbone/views/email.py b/tailbone/views/email.py
index ab667ec0..a028f316 100644
--- a/tailbone/views/email.py
+++ b/tailbone/views/email.py
@@ -226,9 +226,10 @@ class EmailPreview(View):
                 del msg['Bcc']
                 msg['To'] = recipient
 
-                mail.deliver_message(self.rattail_config, msg)
+                sent = mail.deliver_message(self.rattail_config, key, msg)
 
-                self.request.session.flash("Preview for '{0}' was emailed to {1}".format(key, recipient))
+                self.request.session.flash("Preview for '{}' was {}emailed to {}".format(
+                    key, '' if sent else '(NOT) ', recipient))
 
     def preview_template(self, key, type_):
         email = mail.get_email(self.rattail_config, key)