diff --git a/include/queue.php b/include/queue.php
index cb5fe28ad9..f40768f0d0 100644
--- a/include/queue.php
+++ b/include/queue.php
@@ -52,6 +52,8 @@ function queue_run(&$argv, &$argc){
 		$queue_id = 0;
 
 	$deadguys = array();
+	$deadservers = array();
+	$serverlist = array();
 
 	logger('queue: start');
 
@@ -95,7 +97,7 @@ function queue_run(&$argv, &$argc){
 		// For the first 12 hours we'll try to deliver every 15 minutes
 		// After that, we'll only attempt delivery once per hour.
 
-		$r = q("SELECT `id` FROM `queue` WHERE (( `created` > UTC_TIMESTAMP() - INTERVAL 12 HOUR && `last` < UTC_TIMESTAMP() - INTERVAL 15 MINUTE ) OR ( `last` < UTC_TIMESTAMP() - INTERVAL 1 HOUR ))");
+		$r = q("SELECT `id` FROM `queue` WHERE ((`created` > UTC_TIMESTAMP() - INTERVAL 12 HOUR && `last` < UTC_TIMESTAMP() - INTERVAL 15 MINUTE) OR (`last` < UTC_TIMESTAMP() - INTERVAL 1 HOUR)) ORDER BY `cid`, `created`");
 	}
 	if(! $r){
 		return;
@@ -116,7 +118,7 @@ function queue_run(&$argv, &$argc){
 		// so check again if this entry still needs processing
 
 		if($queue_id) {
-			$qi = q("select * from queue where `id` = %d limit 1",
+			$qi = q("SELECT * FROM `queue` WHERE `id` = %d LIMIT 1",
 				intval($queue_id)
 			);
 		}
@@ -142,8 +144,18 @@ function queue_run(&$argv, &$argc){
 			continue;
 		}
 
-		if (!poco_reachable($c[0]['url'])) {
-			logger('queue: skipping probably dead url: ' . $c[0]['url']);
+		$server = poco_detect_server($c[0]['url']);
+
+		if (($server != "") AND !in_array($server, $serverlist)) {
+			logger("Check server ".$server." (".$c[0]["network"].")");
+			if (!poco_check_server($server, $c[0]["network"], true))
+				$deadservers[] = $server;
+
+			$serverlist[] = $server;
+		}
+
+		if (($server != "") AND in_array($server, $deadservers)) {
+			logger('queue: skipping known dead server: '.$server);
 			update_queue_time($q_item['id']);
 			continue;
 		}
@@ -166,37 +178,39 @@ function queue_run(&$argv, &$argc){
 
 		switch($contact['network']) {
 			case NETWORK_DFRN:
-				logger('queue: dfrndelivery: item ' . $q_item['id'] . ' for ' . $contact['name']);
+				logger('queue: dfrndelivery: item '.$q_item['id'].' for '.$contact['name'].' <'.$contact['url'].'>');
 				$deliver_status = dfrn_deliver($owner,$contact,$data);
 
 				if($deliver_status == (-1)) {
 					update_queue_time($q_item['id']);
 					$deadguys[] = $contact['notify'];
-				}
-				else {
+				} else
 					remove_queue_item($q_item['id']);
-				}
+
 				break;
 			case NETWORK_OSTATUS:
 				if($contact['notify']) {
-					logger('queue: slapdelivery: item ' . $q_item['id'] . ' for ' . $contact['name']);
+					logger('queue: slapdelivery: item '.$q_item['id'].' for '.$contact['name'].' <'.$contact['url'].'>');
 					$deliver_status = slapper($owner,$contact['notify'],$data);
 
-					if($deliver_status == (-1))
+					if($deliver_status == (-1)) {
 						update_queue_time($q_item['id']);
-					else
+						$deadguys[] = $contact['notify'];
+					} else
 						remove_queue_item($q_item['id']);
 				}
 				break;
 			case NETWORK_DIASPORA:
 				if($contact['notify']) {
-					logger('queue: diaspora_delivery: item ' . $q_item['id'] . ' for ' . $contact['name']);
+					logger('queue: diaspora_delivery: item '.$q_item['id'].' for '.$contact['name'].' <'.$contact['url'].'>');
 					$deliver_status = diaspora_transmit($owner,$contact,$data,$public,true);
 
-					if($deliver_status == (-1))
+					if($deliver_status == (-1)) {
 						update_queue_time($q_item['id']);
-					else
+						$deadguys[] = $contact['notify'];
+					} else
 						remove_queue_item($q_item['id']);
+
 				}
 				break;
 
@@ -212,6 +226,7 @@ function queue_run(&$argv, &$argc){
 				break;
 
 		}
+		logger('Deliver status '.$deliver_status.' for item '.$q_item['id'].' to '.$contact['name'].' <'.$contact['url'].'>');
 	}
 
 	return;
diff --git a/include/socgraph.php b/include/socgraph.php
index 4b4b358787..5eaad235b1 100644
--- a/include/socgraph.php
+++ b/include/socgraph.php
@@ -796,19 +796,23 @@ function poco_check_server($server_url, $network = "", $force = false) {
 		// Test for Diaspora
 		$serverret = z_fetch_url($server_url);
 
-		$lines = explode("\n",$serverret["header"]);
-		if(count($lines))
-			foreach($lines as $line) {
-				$line = trim($line);
-				if(stristr($line,'X-Diaspora-Version:')) {
-					$platform = "Diaspora";
-					$version = trim(str_replace("X-Diaspora-Version:", "", $line));
-					$version = trim(str_replace("x-diaspora-version:", "", $version));
-					$network = NETWORK_DIASPORA;
-					$versionparts = explode("-", $version);
-					$version = $versionparts[0];
+		if (!$serverret["success"] OR ($serverret["body"] == ""))
+			$failure = true;
+		else {
+			$lines = explode("\n",$serverret["header"]);
+			if(count($lines))
+				foreach($lines as $line) {
+					$line = trim($line);
+					if(stristr($line,'X-Diaspora-Version:')) {
+						$platform = "Diaspora";
+						$version = trim(str_replace("X-Diaspora-Version:", "", $line));
+						$version = trim(str_replace("x-diaspora-version:", "", $version));
+						$network = NETWORK_DIASPORA;
+						$versionparts = explode("-", $version);
+						$version = $versionparts[0];
+					}
 				}
-			}
+		}
 	}
 
 	if (!$failure) {