Initial Version

shared/lib/Mail/Service/ServiceScope.php

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+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: Sebastian Krupinski <krupinski01@gmail.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace KTXF\Mail\Service;
+
+use JsonSerializable;
+
+/**
+ * Defines the scope/context of a mail service
+ * 
+ * @since 2025.05.01
+ */
+enum ServiceScope: string implements JsonSerializable {
+
+    /**
+     * System-level service for tenant-wide communications
+     * (e.g., notifications@, reports@, noreply@)
+     */
+    case System = 'system';
+
+    /**
+     * User-level service for personal mail accounts
+     * (e.g., user's own IMAP/SMTP accounts)
+     */
+    case User = 'user';
+
+    public function jsonSerialize(): string {
+        return $this->value;
+    }
+
+}