add more controllers and fix tests

app/Http/Requests/Email/EmailSendRequest.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Http\Requests\Email;
+
+use App\Http\Requests\ApiFormRequest;
+
+class EmailSendRequest extends ApiFormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'recipient' => ['required', 'email'],
+            'subject' => ['required', 'string', 'max:255'],
+            'html_message' => ['required', 'string'],
+            'profile' => ['nullable', 'string', 'max:50'],
+            'reply_to_email' => ['nullable', 'email'],
+            'reply_to_name' => ['nullable', 'string', 'max:100'],
+            'attachments' => ['nullable', 'array'],
+            'attachments.*' => ['file', 'max:5120'],
+        ];
+    }
+}