diff --git a/lib/Providers/Mail/Service.php b/lib/Providers/Mail/Service.php
index fb6236d..39db91f 100644
--- a/lib/Providers/Mail/Service.php
+++ b/lib/Providers/Mail/Service.php
@@ -17,6 +17,7 @@ use KTXF\Mail\Object\AddressInterface;
 use KTXF\Mail\Service\ServiceBaseInterface;
 use KTXF\Mail\Service\ServiceCollectionMutableInterface;
 use KTXF\Mail\Service\ServiceConfigurableInterface;
+use KTXF\Mail\Service\ServiceEntityMutableInterface;
 use KTXF\Mail\Service\ServiceMutableInterface;
 use KTXF\Resource\Provider\ResourceServiceIdentityInterface;
 use KTXF\Resource\Provider\ResourceServiceLocationInterface;
@@ -534,4 +535,12 @@ class Service implements ServiceBaseInterface, ServiceMutableInterface, ServiceC
         return $entities;
     }
 
+    public function entityMove(string|int $target, array $sources): array
+    {
+        $this->initialize();
+
+        $result = $this->mailService->entityMove($target, $sources);
+
+        return $result;
+    }
 }
diff --git a/lib/Service/Remote/RemoteMailService.php b/lib/Service/Remote/RemoteMailService.php
index f3d2c1b..51e396c 100644
--- a/lib/Service/Remote/RemoteMailService.php
+++ b/lib/Service/Remote/RemoteMailService.php
@@ -25,6 +25,7 @@ use JmapClient\Requests\Mail\MailQuery;
 use JmapClient\Requests\Mail\MailQueryChanges;
 use JmapClient\Requests\Mail\MailSet;
 use JmapClient\Requests\Mail\MailSubmissionSet;
+use JmapClient\Requests\RequestBundle;
 use JmapClient\Responses\Mail\MailboxParameters as MailboxParametersResponse;
 use JmapClient\Responses\Mail\MailParameters as MailParametersResponse;
 use JmapClient\Responses\ResponseException;
@@ -635,7 +636,7 @@ class RemoteMailService {
 		// select properties to return
 		$r0->property(...$this->defaultMailProperties);
 		$r0->bodyAll(true);
-		// transmit request and receive response
+		// transceive
 		$bundle = $this->dataStore->perform([$r0]);
 		// extract response
 		$response = $bundle->response(0);
@@ -709,7 +710,7 @@ class RemoteMailService {
 		// construct request
 		$r0 = new MailSet($this->dataAccount, null, $this->resourceNamespace, $this->resourceEntityLabel);
 		$r0->update($id, $to);
-		// transmit request and receive response
+		// transceive
 		$bundle = $this->dataStore->perform([$r0]);
 		// extract response
 		$response = $bundle->response(0);
@@ -733,7 +734,7 @@ class RemoteMailService {
 		$r0 = new MailSet($this->dataAccount, null, $this->resourceNamespace, $this->resourceEntityLabel);
 		// construct object
 		$r0->delete($id);
-		// transmit request and receive response
+		// transceive
 		$bundle = $this->dataStore->perform([$r0]);
 		// extract response
 		$response = $bundle->response(0);
@@ -750,8 +751,8 @@ class RemoteMailService {
 	 * @since Release 1.0.0
 	 *
 	 */
-	public function entityCopy(string $location, MailMessageObject $so): ?MailMessageObject {
-		return null;
+	public function entityCopy(string $target, array $sources): array {
+		return [];
 	}
 
 	/**
@@ -760,22 +761,42 @@ class RemoteMailService {
 	 * @since Release 1.0.0
 	 *
 	 */
-	public function entityMove(string $location, array $so): ?array {
-		// extract entity id
-		$id = $so['id'];
+	public function entityMove(string $target, array $sources): array {
+
+		// extract identifiers from sources
+		$identifiers = [];
+		foreach ($sources as $source) {
+			$identifiers = array_merge($identifiers, $source);
+		}
 		// construct request
 		$r0 = new MailSet($this->dataAccount, null, $this->resourceNamespace, $this->resourceEntityLabel);
-		$r0->update($id)->in($location);
-		// transmit request and receive response
+		foreach ($identifiers as $id) {
+			$r0->update($id)->in($target);
+		}
+		// transceive
 		$bundle = $this->dataStore->perform([$r0]);
 		// extract response
-		$response = $bundle->response(0);
-		// determine if command succeeded
-		if (array_key_exists($id, $response->updated())) {
-			$so = array_merge($so, ['mailboxIds' => [$location => true]]);
-			return $so;
+		$response = $bundle->first();
+		// check for command error
+		if ($response instanceof ResponseException) {
+			if ($response->type() === 'unknownMethod') {
+				throw new JmapUnknownMethod($response->description(), 1);
+			} else {
+				throw new Exception($response->type() . ': ' . $response->description(), 1);
+			}
 		}
-		return null;
+
+		$results = [];
+		// check for success
+		foreach ($response->updateSuccesses() as $identifier => $data) {
+			$results[$identifier] = true;
+		}
+		// check for failure
+		foreach ($response->updateFailures() as $identifier => $data) {
+			$results[$identifier] = $data['type'] ?? 'unknownError';
+		}
+
+		return $results;
 	}
 
 	/**
@@ -824,7 +845,7 @@ class RemoteMailService {
 		$e1->message('#1');
 		$e1->from($from);
 		$e1->to($to);
-		// transmit request and receive response
+		// transceive
 		$bundle = $this->dataStore->perform([$r0, $r1]);
 		// extract response
 		$response = $bundle->response(1);