Index: subscriptions_content.install
===================================================================
--- subscriptions_content.install	(revision 871)
+++ subscriptions_content.install	(working copy)
@@ -47,4 +47,6 @@
  * Implementation of hook_uninstall().
  */
 function subscriptions_content_uninstall() {
+  variable_del(SUBSCRIPTIONS_CONTENT_DEFAULT_SEND_NOTIFICATIONS_ON_NODE_INSERT);
+  variable_del(SUBSCRIPTIONS_CONTENT_DEFAULT_SEND_NOTIFICATIONS_ON_NODE_UPDATE);
 }
Index: subscriptions_content.module
===================================================================
--- subscriptions_content.module	(revision 871)
+++ subscriptions_content.module	(working copy)
@@ -13,6 +13,9 @@
  * by other Subscriptions submodules).
  */
 
+define('SUBSCRIPTIONS_CONTENT_DEFAULT_SEND_NOTIFICATIONS_ON_NODE_INSERT', 'subscriptions_content_default_send_notifications_on_node_insert');
+define('SUBSCRIPTIONS_CONTENT_DEFAULT_SEND_NOTIFICATIONS_ON_NODE_UPDATE', 'subscriptions_content_default_send_notifications_on_node_update');
+
 /**
  * Implementation of hook_subscriptions().
  *
@@ -189,7 +192,9 @@
   switch ($op) {
     case 'prepare':
       $unpublished_nid = ($node->status ? NULL : $node->nid);
-      $node->subscriptions_notify = TRUE;
+      $node->subscriptions_notify = (boolean) variable_get(($node->status
+        ? SUBSCRIPTIONS_CONTENT_DEFAULT_SEND_NOTIFICATIONS_ON_NODE_UPDATE
+        : SUBSCRIPTIONS_CONTENT_DEFAULT_SEND_NOTIFICATIONS_ON_NODE_INSERT), 1);
       break;
 
     case 'update':
@@ -370,6 +375,23 @@
     '#description'   => t('Nodes of %Static_content_types may end up with no %Subscribe options at all. Turn this option on to avoid displaying %Subscribe links in this case. The default is OFF, because this option causes processing overhead for each node view operation.', array('%Static_content_types' => t('Static content types'), '%Subscribe' => t('Subscribe'))),
   );
 
+  $variables = array(
+    '%Send_subscriptions_notifications' => t('Send subscriptions notifications'),
+    'NOTE' => t('The %Publishing_options are available only to users who have the %administer_nodes permission; for other users, notifications are always sent.', array('%Publishing_options' => $tr('Publishing options'), '%administer_nodes' => $tr('administer nodes'))),
+  );
+  $form['content'][SUBSCRIPTIONS_CONTENT_DEFAULT_SEND_NOTIFICATIONS_ON_NODE_INSERT] = array(
+    '#type'          => 'checkbox',
+    '#title'         => t('Send notifications on administrator node inserts by default'),
+    '#default_value' => variable_get(SUBSCRIPTIONS_CONTENT_DEFAULT_SEND_NOTIFICATIONS_ON_NODE_INSERT, 1),
+    '#description'   => t('Sets the default value of the %Send_subscriptions_notifications checkbox on the node form when creating a node. Default is ON.', $variables) .'<br />'. $variables['NOTE'],
+  );
+  $form['content'][SUBSCRIPTIONS_CONTENT_DEFAULT_SEND_NOTIFICATIONS_ON_NODE_UPDATE] = array(
+    '#type'          => 'checkbox',
+    '#title'         => t('Send notifications on administrator node updates by default'),
+    '#default_value' => variable_get(SUBSCRIPTIONS_CONTENT_DEFAULT_SEND_NOTIFICATIONS_ON_NODE_UPDATE, 1),
+    '#description'   => t('Sets the default value of the %Send_subscriptions_notifications checkbox on the node form when updating a node. Default is ON.', $variables) .'<br />'. $variables['NOTE'],
+  );
+
   $form['content']['subscriptions_generate_full_node'] = array(
     '#type'          => 'checkbox',
     '#title'         => t('Generate the %full_node variable', array('%full_node' => '!full_node')),