diff --git a/lib/Horde/ActiveSync/Request/Settings.php b/lib/Horde/ActiveSync/Request/Settings.php
index 98deac92..22130d9c 100644
--- a/lib/Horde/ActiveSync/Request/Settings.php
+++ b/lib/Horde/ActiveSync/Request/Settings.php
@@ -350,9 +350,19 @@ protected function _getOofObject($info)
         }
         $msg = Horde_ActiveSync::messageFactory('OofMessage');
         $msg->internal = '';
-        $msg->enabled = $info['oofmsgs'][0]['enabled'] ? 1 : "0";
-        $msg->reply = $info['oofmsgs'][0]['replymessage'];
-        $msg->bodytype = 'text';
+        $oofMsgs = $info->get('oofmsgs', []);
+        $oofMsg = (is_array($oofMsgs) && array_key_exists(0, $oofMsgs))
+            ? $oofMsgs[0]
+            : null;
+        if (is_array($oofMsg)) {
+            $msg->enabled = $oofMsg['enabled'] ? 1 : '0';
+            $msg->reply = $oofMsg['replymessage'] ?? '';
+            $msg->bodytype = $oofMsg['bodytype'] ?? 'text';
+        } else {
+            $msg->enabled = '0';
+            $msg->reply = '';
+            $msg->bodytype = 'text';
+        }
         $oof->messages[] = $msg;
 
         return $oof;
diff --git a/test/unit/Horde/ActiveSync/Request/SettingsRequestTest.php b/test/unit/Horde/ActiveSync/Request/SettingsRequestTest.php
new file mode 100644
index 00000000..32b90b46
--- /dev/null
+++ b/test/unit/Horde/ActiveSync/Request/SettingsRequestTest.php
@@ -0,0 +1,74 @@
+<?php
+
+/**
+ * Unit tests for Horde_ActiveSync_Request_Settings helpers.
+ *
+ * @author    Torben Dannhauer <torben@dannhauer.de>
+ * @license   http://www.horde.org/licenses/gpl GPLv2
+ * @copyright 2026 The Horde Project (http://www.horde.org/)
+ * @package   ActiveSync
+ */
+
+namespace Horde\ActiveSync\Request;
+
+use Horde_ActiveSync_Request_Settings;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\TestCase;
+use ReflectionClass;
+
+#[CoversClass(Horde_ActiveSync_Request_Settings::class)]
+class SettingsRequestTest extends TestCase
+{
+    public function testGetOofObjectDefaultsWhenNoMessagesConfigured()
+    {
+        $oof = $this->_getOofObject([
+            'status' => Horde_ActiveSync_Request_Settings::STATUS_SUCCESS,
+            'oofstate' => Horde_ActiveSync_Request_Settings::OOF_STATE_DISABLED,
+            'oofmsgs' => [],
+        ]);
+
+        $this->assertSame(
+            Horde_ActiveSync_Request_Settings::OOF_STATE_DISABLED,
+            $oof->state
+        );
+        $this->assertCount(1, $oof->messages);
+        $this->assertSame('0', $oof->messages[0]->enabled);
+        $this->assertSame('', $oof->messages[0]->reply);
+        $this->assertSame('text', $oof->messages[0]->bodytype);
+    }
+
+    public function testGetOofObjectUsesConfiguredMessage()
+    {
+        $oof = $this->_getOofObject([
+            'status' => Horde_ActiveSync_Request_Settings::STATUS_SUCCESS,
+            'oofstate' => Horde_ActiveSync_Request_Settings::OOF_STATE_ENABLED,
+            'oofmsgs' => [
+                [
+                    'enabled' => true,
+                    'replymessage' => 'Out of office.',
+                    'bodytype' => 'HTML',
+                ],
+            ],
+        ]);
+
+        $this->assertSame(1, $oof->messages[0]->enabled);
+        $this->assertSame('Out of office.', $oof->messages[0]->reply);
+        $this->assertSame('HTML', $oof->messages[0]->bodytype);
+    }
+
+    /**
+     * @param array $info
+     *
+     * @return \Horde_ActiveSync_Message_Oof
+     */
+    protected function _getOofObject(array $info)
+    {
+        $request = (new ReflectionClass(Horde_ActiveSync_Request_Settings::class))
+            ->newInstanceWithoutConstructor();
+        $method = (new ReflectionClass(Horde_ActiveSync_Request_Settings::class))
+            ->getMethod('_getOofObject');
+        $method->setAccessible(true);
+
+        return $method->invoke($request, $info);
+    }
+}