diff --git a/boot.php b/boot.php
index 48d81ff59..d80d5fd07 100755
--- a/boot.php
+++ b/boot.php
@@ -51,7 +51,7 @@ define ( 'RED_VERSION',             trim(file_get_contents('version.inc')) . 'H'
 define ( 'STD_VERSION',             '1.0' );
 define ( 'ZOT_REVISION',            1     );
 
-define ( 'DB_UPDATE_VERSION',       1160  );
+define ( 'DB_UPDATE_VERSION',       1161  );
 
 
 /**
diff --git a/include/plugin.php b/include/plugin.php
index 1d4caac0f..1f4d60736 100755
--- a/include/plugin.php
+++ b/include/plugin.php
@@ -495,6 +495,15 @@ function format_css_if_exists($source) {
 		return '<link rel="stylesheet" href="' . script_path() . '/' . $path . '" type="text/css" media="' . $source[1] . '">' . "\r\n";
 }
 
+/*
+ * This basically calculates the baseurl. We have other functions to do that, but
+ * there was an issue with script paths and mixed-content whose details are arcane 
+ * and perhaps lost in the message archives. The short answer is that we're ignoring 
+ * the URL which we are "supposed" to use, and generating script paths relative to 
+ * the URL which we are currently using; in order to ensure they are found and aren't
+ * blocked due to mixed content issues. 
+ */
+
 function script_path() {
 	if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 		$scheme = 'https';
diff --git a/include/zot.php b/include/zot.php
index 6764072aa..d41d5e828 100644
--- a/include/zot.php
+++ b/include/zot.php
@@ -1611,6 +1611,14 @@ function process_delivery($sender, $arr, $deliveries, $relay, $public = false, $
 		$channel = $r[0];
 		$DR->addto_recipient($channel['channel_name'] . ' <' . $channel['channel_address'] . '@' . get_app()->get_hostname() . '>');
 
+		/* blacklisted channels get a permission denied, no special message to tip them off */
+
+		if(! check_channelallowed($sender['hash'])) {
+			$DR->update('permission denied');
+			$result[] = $DR->get();
+			continue;
+		}
+
 		/**
 		 * @FIXME: Somehow we need to block normal message delivery from our clones, as the delivered
 		 * message doesn't have ACL information in it as the cloned copy does. That copy 
@@ -2082,6 +2090,14 @@ function process_mail_delivery($sender, $arr, $deliveries) {
 		$channel = $r[0];
 		$DR->addto_recipient($channel['channel_name'] . ' <' . $channel['channel_address'] . '@' . get_app()->get_hostname() . '>');
 
+		/* blacklisted channels get a permission denied, no special message to tip them off */
+
+		if(! check_channelallowed($sender['hash'])) {
+			$DR->update('permission denied');
+			$result[] = $DR->get();
+			continue;
+		}
+
 		if(! perm_is_allowed($channel['channel_id'],$sender['hash'],'post_mail')) {
 			logger("permission denied for mail delivery {$channel['channel_id']}");
 			$DR->update('permission denied');
diff --git a/install/schema_mysql.sql b/install/schema_mysql.sql
index 3dab6c822..9c24cbd94 100644
--- a/install/schema_mysql.sql
+++ b/install/schema_mysql.sql
@@ -23,6 +23,7 @@ CREATE TABLE IF NOT EXISTS `abook` (
   `abook_profile` char(64) NOT NULL DEFAULT '',
   `abook_incl` TEXT NOT NULL DEFAULT '',
   `abook_excl` TEXT NOT NULL DEFAULT '',
+  `abook_instance` TEXT NOT NULL DEFAULT '',
   PRIMARY KEY (`abook_id`),
   KEY `abook_account` (`abook_account`),
   KEY `abook_channel` (`abook_channel`),
diff --git a/install/schema_postgres.sql b/install/schema_postgres.sql
index 95ed9acb7..0214c0c2a 100644
--- a/install/schema_postgres.sql
+++ b/install/schema_postgres.sql
@@ -22,6 +22,7 @@ CREATE TABLE "abook" (
   "abook_profile" char(64) NOT NULL DEFAULT '',
   "abook_incl" TEXT NOT NULL DEFAULT '',
   "abook_excl" TEXT NOT NULL DEFAULT '',
+  "abook_instance" TEXT NOT NULL DEFAULT '',
   PRIMARY KEY ("abook_id")
 );
   create index  "abook_account" on abook ("abook_account");
diff --git a/install/update.php b/install/update.php
index 10ae6725e..24f4f21d5 100644
--- a/install/update.php
+++ b/install/update.php
@@ -1,6 +1,6 @@
 <?php
 
-define( 'UPDATE_VERSION' , 1160 );
+define( 'UPDATE_VERSION' , 1161 );
 
 /**
  *
@@ -1950,3 +1950,10 @@ function update_r1159() {
 }
 
 
+function update_r1160() {
+	$r = q("alter table abook add abook_instance text not null default '' ");
+	if($r)
+		return UPDATE_SUCCESS;
+    return UPDATE_FAILED;
+}
+
diff --git a/version.inc b/version.inc
index ca9a1ee72..8816dde5d 100644
--- a/version.inc
+++ b/version.inc
@@ -1 +1 @@
-2015-12-05.1237
+2015-12-06.1238
diff --git a/view/en/update_fail_eml.tpl b/view/en/update_fail_eml.tpl
index 61f44b1e6..86bb61aaa 100644
--- a/view/en/update_fail_eml.tpl
+++ b/view/en/update_fail_eml.tpl
@@ -4,7 +4,7 @@ I'm the web server at {{$sitename}};
 The Hubzilla developers released update {{$update}} recently, 
 but when I tried to install it, something went terribly wrong.  
 This needs to be fixed soon and it requires human intervention. 
-Please contact a Red developer if you can not figure out how to 
+Please contact a project developer if you can not figure out how to 
 fix it on your own. My database might be invalid. 
 
 The error message is '{{$error}}'.