Stand: SMTP-Test, Admin-Mail-Tab, Notifiable-Fix, Lazy-Quill

- Fix: Notifiable-Trait zum User-Model hinzugefuegt (behebt notify()-500er)
- Installer: SMTP-Verbindungstest mit EsmtpTransport + Ueberspringen-Link
- Admin: Neuer E-Mail-Tab mit SMTP-Konfiguration + Verbindungstest
- Admin: Lazy Quill-Initialisierung (nur sichtbare Locale wird geladen)
- Uebersetzungen: 17 neue Mail-Keys in allen 6 Sprachen

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

vendor/symfony/mime/Header/MailboxListHeader.php

@@ -0,0 +1,136 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Mime\Header;
+
+use Symfony\Component\Mime\Address;
+use Symfony\Component\Mime\Exception\RfcComplianceException;
+
+/**
+ * A Mailbox list MIME Header for something like From, To, Cc, and Bcc (one or more named addresses).
+ *
+ * @author Chris Corbyn
+ */
+final class MailboxListHeader extends AbstractHeader
+{
+    private array $addresses = [];
+
+    /**
+     * @param Address[] $addresses
+     */
+    public function __construct(string $name, array $addresses)
+    {
+        parent::__construct($name);
+
+        $this->setAddresses($addresses);
+    }
+
+    /**
+     * @param Address[] $body
+     *
+     * @throws RfcComplianceException
+     */
+    public function setBody(mixed $body): void
+    {
+        $this->setAddresses($body);
+    }
+
+    /**
+     * @return Address[]
+     *
+     * @throws RfcComplianceException
+     */
+    public function getBody(): array
+    {
+        return $this->getAddresses();
+    }
+
+    /**
+     * Sets a list of addresses to be shown in this Header.
+     *
+     * @param Address[] $addresses
+     *
+     * @throws RfcComplianceException
+     */
+    public function setAddresses(array $addresses): void
+    {
+        $this->addresses = [];
+        $this->addAddresses($addresses);
+    }
+
+    /**
+     * Sets a list of addresses to be shown in this Header.
+     *
+     * @param Address[] $addresses
+     *
+     * @throws RfcComplianceException
+     */
+    public function addAddresses(array $addresses): void
+    {
+        foreach ($addresses as $address) {
+            $this->addAddress($address);
+        }
+    }
+
+    /**
+     * @throws RfcComplianceException
+     */
+    public function addAddress(Address $address): void
+    {
+        $this->addresses[] = $address;
+    }
+
+    /**
+     * @return Address[]
+     */
+    public function getAddresses(): array
+    {
+        return $this->addresses;
+    }
+
+    /**
+     * Gets the full mailbox list of this Header as an array of valid RFC 2822 strings.
+     *
+     * @return string[]
+     *
+     * @throws RfcComplianceException
+     */
+    public function getAddressStrings(): array
+    {
+        $strings = [];
+        foreach ($this->addresses as $address) {
+            $str = $address->getEncodedAddress();
+            if ($name = $address->getName()) {
+                $str = $this->createPhrase($this, $name, $this->getCharset(), !$strings).' <'.$str.'>';
+            }
+            $strings[] = $str;
+        }
+
+        return $strings;
+    }
+
+    public function getBodyAsString(): string
+    {
+        return implode(', ', $this->getAddressStrings());
+    }
+
+    /**
+     * Redefine the encoding requirements for addresses.
+     *
+     * All "specials" must be encoded as the full header value will not be quoted
+     *
+     * @see RFC 2822 3.2.1
+     */
+    protected function tokenNeedsEncoding(string $token): bool
+    {
+        return preg_match('/[()<>\[\]:;@\,."]/', $token) || parent::tokenNeedsEncoding($token);
+    }
+}