diff --git a/include/settings.php b/include/settings.php
index 94cb6f65b..e53cfedfa 100644
--- a/include/settings.php
+++ b/include/settings.php
@@ -1,9 +1,17 @@
 <?php /** @file */
 
-function build_sync_packet($packet = null) {
+/**
+ * Send a zot packet to all hubs where this channel is duplicated, refreshing
+ * such things as personal settings, channel permissions, address book updates, etc.
+ */
+
+
+function build_sync_packet($uid = 0, $packet = null) {
 	$a = get_app();
 
-	$uid = local_user();
+	if(! $uid)
+		$uid = local_user();
+
 	if(! $uid)
 		return;
 
@@ -27,6 +35,15 @@ function build_sync_packet($packet = null) {
 	if(! $synchubs)
 		return;
 
+	$r = q("select xchan_guid, xchan_guid_sig from xchan where xchan_hash  = '%s' limit 1",
+		dbesc($channel['channel_hash'])
+	);
+	if(! $r)
+		return;
+
+	$env_recips = array();
+	$env_recips[] = array('guid' => $r[0]['xchan_guid'],'guid_sig' => $r[0]['xchan_guid_sig']);
+
 	$info = (($packet) ? $packet : array());
 
 	if(array_key_exists($uid,$a->config) && array_key_exists('transient',$a->config[$uid])) {
@@ -41,10 +58,14 @@ function build_sync_packet($packet = null) {
 		foreach($channel as $k => $v) {
 			if(strpos('channel_',$k) !== 0)
 				continue;
-			if($k === 'channel_id')
-				continue;
-			if($k === 'channel_account_id')
+
+			// don't pass these elements, they should not be synchronised
+
+			$disallowed = array('channel_id','channel_account_id','channel_primary','channel_prvkey');
+
+			if(in_array($k,$disallowed))
 				continue;
+
 			$info['channel'][$k] = $v;
 		}
 	}
@@ -55,7 +76,7 @@ function build_sync_packet($packet = null) {
 
 	foreach($synchubs as $hub) {
 		$hash = random_string();
-		$n = zot_build_packet($channel,'channel_sync');
+		$n = zot_build_packet($channel,'channel_sync',$env_recips,$hub['hubloc_sitekey'],null,$hash);
 		q("insert into outq ( outq_hash, outq_account, outq_channel, outq_posturl, outq_async, outq_created, outq_updated, outq_notify, outq_msg ) values ( '%s', %d, %d, '%s', %d, '%s', '%s', '%s', '%s' )",
 			dbesc($hash),
 			intval($channel['channel_account']),
diff --git a/include/zot.php b/include/zot.php
index 689af2dac..14a29005d 100644
--- a/include/zot.php
+++ b/include/zot.php
@@ -874,8 +874,16 @@ function zot_import($arr) {
 					$result = process_profile_delivery($i['notify']['sender'],$arr,$deliveries);
 
 				}
+				elseif($i['message']['type'] === 'channel_sync') {
+//					$arr = get_channelsync_elements($i['message']);
 
+					$arr = $i['message'];
 
+					logger('Channel sync received: ' . print_r($arr,true), LOGGER_DATA);
+					logger('Channel sync recipients: ' . print_r($deliveries,true), LOGGER_DATA);
+					
+//					$result = process_channelsync_delivery($i['notify']['sender'],$arr,$deliveries);
+				}
 			}
 			if($result)
 				$return = array_merge($return,$result);
diff --git a/mod/connections.php b/mod/connections.php
index 226c1678f..a53107dcf 100644
--- a/mod/connections.php
+++ b/mod/connections.php
@@ -145,7 +145,7 @@ function connections_clone(&$a) {
 		unset($clone['abook_account']);
 		unset($clone['abook_channel']);
 		require_once('include/settings.php');
-		build_sync_packet(array('abook' => array($clone)));
+		build_sync_packet(0 /* use the current local_user */, array('abook' => array($clone)));
 }
 
 
diff --git a/mod/settings.php b/mod/settings.php
index 788514eca..e830d7070 100644
--- a/mod/settings.php
+++ b/mod/settings.php
@@ -177,6 +177,7 @@ function settings_post(&$a) {
 		check_form_security_token_redirectOnErr('/settings/featured', 'settings_featured');
 
 		call_hooks('feature_settings_post', $_POST);
+		build_sync_packet();
 		return;
 	}
 
@@ -189,6 +190,7 @@ function settings_post(&$a) {
 				set_pconfig(local_user(),'feature',substr($k,8),((intval($v)) ? 1 : 0));
 			}
 		}
+		build_sync_packet();
 		return;
 	}
 
@@ -232,6 +234,7 @@ function settings_post(&$a) {
 		);
 	
 		call_hooks('display_settings_post', $_POST);
+		build_sync_packet();
 		goaway($a->get_baseurl(true) . '/settings/display' );
 		return; // NOTREACHED
 	}
@@ -545,11 +548,12 @@ function settings_post(&$a) {
 			dbesc($username),
 			intval($channel['channel_id'])
 		);
-		// we really need to send out notifications to all our friends
 	}
 
 	proc_run('php','include/directory.php',local_user());
 
+	build_sync_packet();
+
 
 	//$_SESSION['theme'] = $theme;
 	if($email_changed && $a->config['system']['register_policy'] == REGISTER_VERIFY) {