diff --git a/appinfo/info.xml b/appinfo/info.xml
index add173bd..8e1f2608 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -33,6 +33,7 @@
 	<commands>
 		<command>OCA\Social\Command\CacheRefresh</command>
 		<command>OCA\Social\Command\QueueStatus</command>
+		<command>OCA\Social\Command\QueueProcess</command>
 		<command>OCA\Social\Command\NoteCreate</command>
 	</commands>
 
diff --git a/composer.lock b/composer.lock
index b0c6dab8..1e26539f 100644
--- a/composer.lock
+++ b/composer.lock
@@ -12,12 +12,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/daita/my-small-php-tools.git",
-                "reference": "12090dc3ae29d2eb49d5274ca3f6ebfb76ce5997"
+                "reference": "56cff24fdde14d21e3903428c5ee629c839866af"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/daita/my-small-php-tools/zipball/12090dc3ae29d2eb49d5274ca3f6ebfb76ce5997",
-                "reference": "12090dc3ae29d2eb49d5274ca3f6ebfb76ce5997",
+                "url": "https://api.github.com/repos/daita/my-small-php-tools/zipball/56cff24fdde14d21e3903428c5ee629c839866af",
+                "reference": "56cff24fdde14d21e3903428c5ee629c839866af",
                 "shasum": ""
             },
             "require": {
@@ -40,7 +40,7 @@
                 }
             ],
             "description": "My small PHP Tools",
-            "time": "2018-11-28T10:47:43+00:00"
+            "time": "2018-11-28T13:07:27+00:00"
         }
     ],
     "packages-dev": [],
diff --git a/lib/Command/QueueProcess.php b/lib/Command/QueueProcess.php
new file mode 100644
index 00000000..d7aeb1a9
--- /dev/null
+++ b/lib/Command/QueueProcess.php
@@ -0,0 +1,126 @@
+<?php
+declare(strict_types=1);
+
+
+/**
+ * Nextcloud - Social Support
+ *
+ * This file is licensed under the Affero General Public License version 3 or
+ * later. See the COPYING file.
+ *
+ * @author Maxence Lange <maxence@artificial-owl.com>
+ * @copyright 2018, Maxence Lange <maxence@artificial-owl.com>
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+namespace OCA\Social\Command;
+
+
+use Exception;
+use OC\Core\Command\Base;
+use OCA\Social\Exceptions\ActorDoesNotExistException;
+use OCA\Social\Exceptions\RequestException;
+use OCA\Social\Exceptions\SocialAppConfigException;
+use OCA\Social\Service\ActivityService;
+use OCA\Social\Service\ConfigService;
+use OCA\Social\Service\MiscService;
+use OCA\Social\Service\QueueService;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+
+class QueueProcess extends Base {
+
+
+	/** @var ActivityService */
+	private $activityService;
+
+	/** @var QueueService */
+	private $queueService;
+
+	/** @var ConfigService */
+	private $configService;
+
+	/** @var MiscService */
+	private $miscService;
+
+
+	/**
+	 * NoteCreate constructor.
+	 *
+	 * @param ActivityService $activityService
+	 * @param QueueService $queueService
+	 * @param ConfigService $configService
+	 * @param MiscService $miscService
+	 */
+	public function __construct(
+		ActivityService $activityService, QueueService $queueService, ConfigService $configService,
+		MiscService $miscService
+	) {
+		parent::__construct();
+
+		$this->activityService = $activityService;
+		$this->queueService = $queueService;
+		$this->configService = $configService;
+		$this->miscService = $miscService;
+	}
+
+
+	/**
+	 *
+	 */
+	protected function configure() {
+		parent::configure();
+		$this->setName('social:queue:process')
+			 ->setDescription('Process the request queue');
+	}
+
+
+	/**
+	 * @param InputInterface $input
+	 * @param OutputInterface $output
+	 */
+	protected function execute(InputInterface $input, OutputInterface $output) {
+
+		$requests = $this->queueService->getRequestStandby($total = 0);
+
+		$output->writeLn('found a total of ' . $total . ' requests in the queue');
+		if ($total === 0) {
+			return;
+		}
+
+		$output->writeLn(sizeof($requests) . ' are processable at this time');
+		if (sizeof($requests) === 0) {
+			return;
+		}
+
+		foreach ($requests as $request) {
+			$output->write('.');
+			try {
+				$this->activityService->manageRequest($request);
+			} catch (ActorDoesNotExistException $e) {
+			} catch (RequestException $e) {
+			} catch (SocialAppConfigException $e) {
+			}
+		}
+
+		$output->writeLn('done');
+	}
+
+}
+
diff --git a/lib/Cron/Queue.php b/lib/Cron/Queue.php
new file mode 100644
index 00000000..d725b113
--- /dev/null
+++ b/lib/Cron/Queue.php
@@ -0,0 +1,109 @@
+<?php
+declare(strict_types=1);
+
+
+/**
+ * Nextcloud - Social Support
+ *
+ * This file is licensed under the Affero General Public License version 3 or
+ * later. See the COPYING file.
+ *
+ * @author Maxence Lange <maxence@artificial-owl.com>
+ * @copyright 2018, Maxence Lange <maxence@artificial-owl.com>
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+namespace OCA\Social\Cron;
+
+
+use Exception;
+use OC\BackgroundJob\TimedJob;
+use OCA\Social\AppInfo\Application;
+use OCA\Social\Exceptions\ActorDoesNotExistException;
+use OCA\Social\Exceptions\RequestException;
+use OCA\Social\Exceptions\SocialAppConfigException;
+use OCA\Social\Service\ActivityPub\DocumentService;
+use OCA\Social\Service\ActivityPub\PersonService;
+use OCA\Social\Service\ActivityService;
+use OCA\Social\Service\ActorService;
+use OCA\Social\Service\CacheService;
+use OCA\Social\Service\ConfigService;
+use OCA\Social\Service\MiscService;
+use OCA\Social\Service\QueueService;
+use OCP\AppFramework\QueryException;
+
+
+/**
+ * Class Queue
+ *
+ * @package OCA\Social\Cron
+ */
+class Queue extends TimedJob {
+
+
+	/** @var ActivityService */
+	private $activityService;
+
+	/** @var QueueService */
+	private $queueService;
+
+	/** @var MiscService */
+	private $miscService;
+
+
+	/**
+	 * Cache constructor.
+	 */
+	public function __construct() {
+		$this->setInterval(12 * 60); // 12 minutes
+	}
+
+
+	/**
+	 * @param mixed $argument
+	 *
+	 * @throws QueryException
+	 */
+	protected function run($argument) {
+		$app = new Application();
+		$c = $app->getContainer();
+
+		$this->queueService = $c->query(QueueService::class);
+		$this->activityService = $c->query(ActivityService::class);
+		$this->miscService = $c->query(MiscService::class);
+
+		$this->manageQueue();
+	}
+
+
+	private function manageQueue() {
+		$requests = $this->queueService->getRequestStandby($total = 0);
+
+		foreach ($requests as $request) {
+			try {
+				$this->activityService->manageRequest($request);
+			} catch (ActorDoesNotExistException $e) {
+			} catch (RequestException $e) {
+			} catch (SocialAppConfigException $e) {
+			}
+		}
+
+	}
+
+}
+
diff --git a/lib/Db/RequestQueueRequest.php b/lib/Db/RequestQueueRequest.php
index 045e9c16..d358051e 100644
--- a/lib/Db/RequestQueueRequest.php
+++ b/lib/Db/RequestQueueRequest.php
@@ -57,18 +57,6 @@ class RequestQueueRequest extends RequestQueueRequestBuilder {
 	public function multiple(array $queues) {
 		foreach ($queues as $queue) {
 			$this->create($queue);
-//			$qb->values(
-//				[
-//					'source'   => $qb->createNamedParameter($queue->getSource()),
-//					'activity' => $qb->createNamedParameter($queue->getActivity()),
-//					'instance' => $qb->createNamedParameter(
-//						json_encode($queue->getInstance(), JSON_UNESCAPED_SLASHES)
-//					),
-//					'status'   => $qb->createNamedParameter($queue->getStatus()),
-//					'tries'    => $qb->createNamedParameter($queue->getTries()),
-//					'last'     => $qb->createNamedParameter($queue->getLast())
-//				]
-//			);
 		}
 	}
 
@@ -92,14 +80,34 @@ class RequestQueueRequest extends RequestQueueRequestBuilder {
 		   )
 		   ->setValue('priority', $qb->createNamedParameter($queue->getPriority()))
 		   ->setValue('status', $qb->createNamedParameter($queue->getStatus()))
-		   ->setValue('tries', $qb->createNamedParameter($queue->getTries()))
-		   ->setValue('last', $qb->createNamedParameter($queue->getLast()));
+		   ->setValue('tries', $qb->createNamedParameter($queue->getTries()));
 		$qb->execute();
 	}
 
 
 	/**
-	 * return Actor from database based on the username
+	 * return Queue from database based on the status != 9
+	 *
+	 * @return RequestQueue[]
+	 */
+	public function getStandby(): array {
+		$qb = $this->getQueueSelectSql();
+		$this->limitToStatus($qb, RequestQueue::STATUS_STANDBY);
+		$this->orderByPriority($qb, 'desc');
+
+		$requests = [];
+		$cursor = $qb->execute();
+		while ($data = $cursor->fetch()) {
+			$requests[] = $this->parseQueueSelectSql($data);
+		}
+		$cursor->closeCursor();
+
+		return $requests;
+	}
+
+
+	/**
+	 * return Queue from database based on the token
 	 *
 	 * @param string $token
 	 * @param int $status
@@ -197,5 +205,13 @@ class RequestQueueRequest extends RequestQueueRequestBuilder {
 		$queue->setStatus(RequestQueue::STATUS_SUCCESS);
 	}
 
+
+	public function delete(RequestQueue $queue) {
+		$qb = $this->getQueueDeleteSql();
+		$this->limitToId($qb, $queue->getId());
+
+		$qb->execute();
+	}
+
 }
 
diff --git a/lib/Model/RequestQueue.php b/lib/Model/RequestQueue.php
index 62f98155..d96253f3 100644
--- a/lib/Model/RequestQueue.php
+++ b/lib/Model/RequestQueue.php
@@ -32,6 +32,7 @@ namespace OCA\Social\Model;
 
 
 use daita\MySmallPhpTools\Traits\TArrayTools;
+use DateTime;
 use JsonSerializable;
 
 
@@ -299,9 +300,15 @@ class RequestQueue implements JsonSerializable {
 		$this->setActivity($this->get('activity', $data, ''));
 		$this->setStatus($this->getInt('status', $data, 0));
 		$this->setTries($this->getInt('tries', $data, 0));
-		$this->setLast($this->getInt('last', $data, 0));
-	}
 
+		$last = $this->get('last', $data, '');
+		if ($last === '') {
+			$this->setLast(0);
+		} else {
+			$dTime = new DateTime($last);
+			$this->setLast($dTime->getTimestamp());
+		}
+	}
 
 	/**
 	 * @return array
diff --git a/lib/Service/ActivityService.php b/lib/Service/ActivityService.php
index 85b1ea8d..fcc8399a 100644
--- a/lib/Service/ActivityService.php
+++ b/lib/Service/ActivityService.php
@@ -251,7 +251,6 @@ class ActivityService {
 	/**
 	 * @param RequestQueue $queue
 	 *
-	 * @throws ActorDoesNotExistException
 	 * @throws RequestException
 	 * @throws SocialAppConfigException
 	 */
@@ -263,9 +262,16 @@ class ActivityService {
 			return;
 		}
 
-		$result = $this->generateRequest(
-			$queue->getInstance(), $queue->getActivity(), $queue->getAuthor()
-		);
+
+		try {
+			$result = $this->generateRequest(
+				$queue->getInstance(), $queue->getActivity(), $queue->getAuthor()
+			);
+		} catch (ActorDoesNotExistException $e) {
+			$this->queueService->deleteRequest($queue);
+		} catch (Request410Exception $e) {
+			$this->queueService->deleteRequest($queue);
+		}
 
 		try {
 			if ($this->getint('_code', $result, 500) === 202) {
@@ -341,6 +347,7 @@ class ActivityService {
 	 *
 	 * @return Request[]
 	 * @throws ActorDoesNotExistException
+	 * @throws Request410Exception
 	 * @throws RequestException
 	 * @throws SocialAppConfigException
 	 */
diff --git a/lib/Service/QueueService.php b/lib/Service/QueueService.php
index 6fc3b8f3..36cc46dd 100644
--- a/lib/Service/QueueService.php
+++ b/lib/Service/QueueService.php
@@ -147,6 +147,22 @@ class QueueService {
 	}
 
 
+	public function getRequestStandby(int &$total = 0): array {
+		$requests = $this->requestQueueRequest->getStandby();
+		$total = sizeof($requests);
+
+		$result = [];
+		foreach ($requests as $request) {
+			$delay = floor(pow($request->getTries(), 4) / 3);
+			if ($request->getLast() < (time() - $delay)) {
+				$result[] = $request;
+			}
+		}
+
+		return $result;
+	}
+
+
 	/**
 	 * @param string $token
 	 * @param int $status
@@ -186,6 +202,12 @@ class QueueService {
 		}
 	}
 
+	/**
+	 * @param RequestQueue $queue
+	 */
+	public function deleteRequest(RequestQueue $queue) {
+		$this->requestQueueRequest->delete($queue);
+	}
 
 }