diff --git a/src/Worker/APDelivery.php b/src/Worker/APDelivery.php
index c98f1e3993..0c2c0ca9c4 100644
--- a/src/Worker/APDelivery.php
+++ b/src/Worker/APDelivery.php
@@ -34,58 +34,36 @@ class APDelivery
 	/**
 	 * Delivers ActivityPub messages
 	 *
-	 * @param string       $cmd
-	 * @param integer      $target_id
-	 * @param string|array $inboxes
-	 * @param integer      $uid
-	 * @param array        $receivers
+	 * @param string  $cmd       One of the Worker\Delivery constant values
+	 * @param integer $item_id   0 if no item is involved (like Delivery::REMOVAL and Delivery::PROFILEUPDATE)
+	 * @param string  $inbox     The URL of the recipient profile
+	 * @param integer $uid       The ID of the user who triggered this delivery
+	 * @param array   $receivers The contact IDs related to the inbox URL for contact archival housekeeping
 	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 	 * @throws \ImagickException
 	 */
-	public static function execute(string $cmd, int $target_id, $inboxes, int $uid, array $receivers = [])
-	{
-		if (is_string($inboxes)) {
-			$inboxes = [$inboxes];
-		}
-
-		foreach ($inboxes as $inbox) {
-			self::perform($cmd, $target_id, $inbox, $uid, $receivers);
-		}
-	}
-
-	/**
-	 * Delivers ActivityPub messages
-	 *
-	 * @param string  $cmd
-	 * @param integer $target_id
-	 * @param string  $inbox
-	 * @param integer $uid
-	 * @param array   $receivers
-	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
-	 * @throws \ImagickException
-	 */
-	private static function perform(string $cmd, int $target_id, string $inbox, int $uid, array $receivers = [])
+	public static function execute(string $cmd, int $item_id, string $inbox, int $uid, array $receivers = [])
 	{
 		if (ActivityPub\Transmitter::archivedInbox($inbox)) {
-			Logger::info('Inbox is archived', ['cmd' => $cmd, 'inbox' => $inbox, 'id' => $target_id, 'uid' => $uid]);
+			Logger::info('Inbox is archived', ['cmd' => $cmd, 'inbox' => $inbox, 'id' => $item_id, 'uid' => $uid]);
 			if (in_array($cmd, [Delivery::POST])) {
-				$item = Item::selectFirst(['uri-id'], ['id' => $target_id]);
+				$item = Item::selectFirst(['uri-id'], ['id' => $item_id]);
 				Post\DeliveryData::incrementQueueFailed($item['uri-id'] ?? 0);
 			}
 			return;
 		}
 
-		Logger::info('Invoked', ['cmd' => $cmd, 'inbox' => $inbox, 'id' => $target_id, 'uid' => $uid]);
+		Logger::info('Invoked', ['cmd' => $cmd, 'inbox' => $inbox, 'id' => $item_id, 'uid' => $uid]);
 
 		$success = true;
 
 		if ($cmd == Delivery::MAIL) {
-			$data = ActivityPub\Transmitter::createActivityFromMail($target_id);
+			$data = ActivityPub\Transmitter::createActivityFromMail($item_id);
 			if (!empty($data)) {
 				$success = HTTPSignature::transmit($data, $inbox, $uid);
 			}
 		} elseif ($cmd == Delivery::SUGGESTION) {
-			$success = ActivityPub\Transmitter::sendContactSuggestion($uid, $inbox, $target_id);
+			$success = ActivityPub\Transmitter::sendContactSuggestion($uid, $inbox, $item_id);
 		} elseif ($cmd == Delivery::RELOCATION) {
 			// @todo Implementation pending
 		} elseif ($cmd == Delivery::POKE) {
@@ -95,14 +73,14 @@ class APDelivery
 		} elseif ($cmd == Delivery::PROFILEUPDATE) {
 			$success = ActivityPub\Transmitter::sendProfileUpdate($uid, $inbox);
 		} else {
-			$data = ActivityPub\Transmitter::createCachedActivityFromItem($target_id);
+			$data = ActivityPub\Transmitter::createCachedActivityFromItem($item_id);
 			if (!empty($data)) {
 				$success = HTTPSignature::transmit($data, $inbox, $uid);
 			}
 		}
 
 		// This should never fail and is temporariy (until the move to the "post" structure)
-		$item = Item::selectFirst(['uri-id'], ['id' => $target_id]);
+		$item = Item::selectFirst(['uri-id'], ['id' => $item_id]);
 		$uriid = $item['uri-id'] ?? 0;
 
 		foreach ($receivers as $receiver) {
diff --git a/src/Worker/Notifier.php b/src/Worker/Notifier.php
index 02992898ca..3a1f00749d 100644
--- a/src/Worker/Notifier.php
+++ b/src/Worker/Notifier.php
@@ -81,10 +81,10 @@ class Notifier
 
 			$mail = ActivityPub\Transmitter::ItemArrayFromMail($target_id);
 			$inboxes = ActivityPub\Transmitter::fetchTargetInboxes($mail, $uid, true);
-			foreach ($inboxes as $inbox) {
+			foreach ($inboxes as $inbox => $receivers) {
 				Logger::info('Delivery via ActivityPub', ['cmd' => $cmd, 'target' => $target_id, 'inbox' => $inbox]);
 				Worker::add(['priority' => PRIORITY_HIGH, 'created' => $a->queue['created'], 'dont_fork' => true],
-					'APDelivery', $cmd, $target_id, $inbox, $uid);
+					'APDelivery', $cmd, $target_id, $inbox, $uid, $receivers);
 			}
 		} elseif ($cmd == Delivery::SUGGESTION) {
 			$suggest = DI::fsuggest()->getById($target_id);
@@ -744,10 +744,10 @@ class Notifier
 		DBA::close($contacts_stmt);
 
 		$inboxes = ActivityPub\Transmitter::fetchTargetInboxesforUser(0);
-		foreach ($inboxes as $inbox) {
+		foreach ($inboxes as $inbox => $receivers) {
 			Logger::info('Account removal via ActivityPub', ['uid' => $self_user_id, 'inbox' => $inbox]);
 			Worker::add(['priority' => PRIORITY_NEGLIGIBLE, 'created' => $created, 'dont_fork' => true],
-				'APDelivery', Delivery::REMOVAL, '', $inbox, $self_user_id);
+				'APDelivery', Delivery::REMOVAL, 0, $inbox, $self_user_id, $receivers);
 		}
 
 		return true;
diff --git a/src/Worker/ProfileUpdate.php b/src/Worker/ProfileUpdate.php
index f33811ef6b..7ced7aa2ee 100644
--- a/src/Worker/ProfileUpdate.php
+++ b/src/Worker/ProfileUpdate.php
@@ -40,10 +40,10 @@ class ProfileUpdate {
 
 		$inboxes = ActivityPub\Transmitter::fetchTargetInboxesforUser($uid);
 
-		foreach ($inboxes as $inbox) {
+		foreach ($inboxes as $inbox => $receivers) {
 			Logger::log('Profile update for user ' . $uid . ' to ' . $inbox .' via ActivityPub', Logger::DEBUG);
 			Worker::add(['priority' => $a->queue['priority'], 'created' => $a->queue['created'], 'dont_fork' => true],
-				'APDelivery', Delivery::PROFILEUPDATE, '', $inbox, $uid);
+				'APDelivery', Delivery::PROFILEUPDATE, 0, $inbox, $uid, $receivers);
 		}
 
 		Diaspora::sendProfile($uid);