diff --git a/src/app/Http/Controllers/API/SignupController.php b/src/app/Http/Controllers/API/SignupController.php
index b6e1fb62..96ec5d2a 100644
--- a/src/app/Http/Controllers/API/SignupController.php
+++ b/src/app/Http/Controllers/API/SignupController.php
@@ -1,380 +1,380 @@
 <?php
 
 namespace App\Http\Controllers\API;
 
 use App\Http\Controllers\Controller;
 use App\Jobs\SignupVerificationEmail;
 use App\Jobs\SignupVerificationSMS;
 use App\Discount;
 use App\Domain;
 use App\Plan;
 use App\Rules\ExternalEmail;
 use App\Rules\UserEmailDomain;
 use App\Rules\UserEmailLocal;
 use App\SignupCode;
 use App\User;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Validator;
 use Illuminate\Support\Str;
 
 /**
  * Signup process API
  */
 class SignupController extends Controller
 {
     /** @var ?\App\SignupCode A verification code object */
     protected $code;
 
     /** @var ?\App\Plan Signup plan object */
     protected $plan;
 
 
     /**
      * Returns plans definitions for signup.
      *
      * @param \Illuminate\Http\Request $request HTTP request
      *
      * @return \Illuminate\Http\JsonResponse JSON response
      */
     public function plans(Request $request)
     {
         $plans = [];
 
         // Use reverse order just to have individual on left, group on right ;)
         Plan::select()->orderByDesc('title')->get()->map(function ($plan) use (&$plans) {
             $plans[] = [
                 'title' => $plan->title,
                 'name' => $plan->name,
                 'button' => __('app.planbutton', ['plan' => $plan->name]),
                 'description' => $plan->description,
             ];
         });
 
         return response()->json(['status' => 'success', 'plans' => $plans]);
     }
 
     /**
      * Starts signup process.
      *
      * Verifies user name and email/phone, sends verification email/sms message.
      * Returns the verification code.
      *
      * @param \Illuminate\Http\Request $request HTTP request
      *
      * @return \Illuminate\Http\JsonResponse JSON response
      */
     public function init(Request $request)
     {
         // Check required fields
         $v = Validator::make(
             $request->all(),
             [
                 'email' => 'required',
                 'first_name' => 'max:128',
                 'last_name' => 'max:128',
                 'plan' => 'nullable|alpha_num|max:128',
                 'voucher' => 'max:32',
             ]
         );
 
         $is_phone = false;
         $errors = $v->fails() ? $v->errors()->toArray() : [];
 
         // Validate user email (or phone)
         if (empty($errors['email'])) {
             if ($error = $this->validatePhoneOrEmail($request->email, $is_phone)) {
                 $errors['email'] = $error;
             }
         }
 
         if (!empty($errors)) {
             return response()->json(['status' => 'error', 'errors' => $errors], 422);
         }
 
         // Generate the verification code
         $code = SignupCode::create([
                 'data' => [
                     'email' => $request->email,
                     'first_name' => $request->first_name,
                     'last_name' => $request->last_name,
                     'plan' => $request->plan,
                     'voucher' => $request->voucher,
                 ]
         ]);
 
         // Send email/sms message
         if ($is_phone) {
             SignupVerificationSMS::dispatch($code);
         } else {
             SignupVerificationEmail::dispatch($code);
         }
 
         return response()->json(['status' => 'success', 'code' => $code->code]);
     }
 
     /**
      * Validation of the verification code.
      *
      * @param \Illuminate\Http\Request $request HTTP request
      *
      * @return \Illuminate\Http\JsonResponse JSON response
      */
     public function verify(Request $request)
     {
         // Validate the request args
         $v = Validator::make(
             $request->all(),
             [
                 'code' => 'required',
                 'short_code' => 'required',
             ]
         );
 
         if ($v->fails()) {
             return response()->json(['status' => 'error', 'errors' => $v->errors()], 422);
         }
 
         // Validate the verification code
         $code = SignupCode::find($request->code);
 
         if (
             empty($code)
             || $code->isExpired()
             || Str::upper($request->short_code) !== Str::upper($code->short_code)
         ) {
             $errors = ['short_code' => "The code is invalid or expired."];
             return response()->json(['status' => 'error', 'errors' => $errors], 422);
         }
 
         // For signup last-step mode remember the code object, so we can delete it
         // with single SQL query (->delete()) instead of two (::destroy())
         $this->code = $code;
 
         $has_domain = $this->getPlan()->hasDomain();
 
         // Return user name and email/phone/voucher from the codes database,
         // domains list for selection and "plan type" flag
         return response()->json([
                 'status' => 'success',
                 'email' => $code->data['email'],
                 'first_name' => $code->data['first_name'],
                 'last_name' => $code->data['last_name'],
                 'voucher' => $code->data['voucher'],
                 'is_domain' => $has_domain,
                 'domains' => $has_domain ? [] : Domain::getPublicDomains(),
         ]);
     }
 
     /**
      * Finishes the signup process by creating the user account.
      *
      * @param \Illuminate\Http\Request $request HTTP request
      *
      * @return \Illuminate\Http\JsonResponse JSON response
      */
     public function signup(Request $request)
     {
         // Validate input
         $v = Validator::make(
             $request->all(),
             [
                 'login' => 'required|min:2',
                 'password' => 'required|min:4|confirmed',
                 'domain' => 'required',
                 'voucher' => 'max:32',
             ]
         );
 
         if ($v->fails()) {
             return response()->json(['status' => 'error', 'errors' => $v->errors()], 422);
         }
 
         // Validate verification codes (again)
         $v = $this->verify($request);
         if ($v->status() !== 200) {
             return $v;
         }
 
         // Find the voucher discount
         if ($request->voucher) {
             $discount = Discount::where('code', \strtoupper($request->voucher))
                 ->where('active', true)->first();
 
             if (!$discount) {
                 $errors = ['voucher' => \trans('validation.voucherinvalid')];
                 return response()->json(['status' => 'error', 'errors' => $errors], 422);
             }
         }
 
         // Get the plan
         $plan = $this->getPlan();
         $is_domain = $plan->hasDomain();
 
-        $login  = $request->login;
-        $domain = $request->domain;
+        $login = $request->login;
+        $domain_name = $request->domain;
 
         // Validate login
-        if ($errors = self::validateLogin($login, $domain, $is_domain)) {
+        if ($errors = self::validateLogin($login, $domain_name, $is_domain)) {
             return response()->json(['status' => 'error', 'errors' => $errors], 422);
         }
 
         // Get user name/email from the verification code database
         $code_data  = $v->getData();
         $user_email = $code_data->email;
 
         // We allow only ASCII, so we can safely lower-case the email address
         $login = Str::lower($login);
-        $domain = Str::lower($domain);
+        $domain_name = Str::lower($domain_name);
+        $domain = null;
 
         DB::beginTransaction();
 
-        // Create user record
-        $user = User::create([
-                'email' => $login . '@' . $domain,
-                'password' => $request->password,
-        ]);
-
         // Create domain record
-        // FIXME: Should we do this in UserObserver::created()?
         if ($is_domain) {
             $domain = Domain::create([
-                    'namespace' => $domain,
+                    'namespace' => $domain_name,
                     'status' => Domain::STATUS_NEW,
                     'type' => Domain::TYPE_EXTERNAL,
             ]);
         }
 
+        // Create user record
+        $user = User::create([
+                'email' => $login . '@' . $domain_name,
+                'password' => $request->password,
+        ]);
+
         if (!empty($discount)) {
             $wallet = $user->wallets()->first();
             $wallet->discount()->associate($discount);
             $wallet->save();
         }
 
         $user->assignPlan($plan, $domain);
 
         // Save the external email and plan in user settings
         $user->setSettings([
                 'external_email' => $user_email,
                 'first_name' => $code_data->first_name,
                 'last_name' => $code_data->last_name,
         ]);
 
         // Remove the verification code
         $this->code->delete();
 
         DB::commit();
 
         return AuthController::logonResponse($user);
     }
 
     /**
      * Returns plan for the signup process
      *
      * @returns \App\Plan Plan object selected for current signup process
      */
     protected function getPlan()
     {
         if (!$this->plan) {
             // Get the plan if specified and exists...
             if ($this->code && $this->code->data['plan']) {
                 $plan = Plan::where('title', $this->code->data['plan'])->first();
             }
 
             // ...otherwise use the default plan
             if (empty($plan)) {
                 // TODO: Get default plan title from config
                 $plan = Plan::where('title', 'individual')->first();
             }
 
             $this->plan = $plan;
         }
 
         return $this->plan;
     }
 
     /**
      * Checks if the input string is a valid email address or a phone number
      *
      * @param string $input    Email address or phone number
      * @param bool   $is_phone Will have been set to True if the string is valid phone number
      *
      * @return string Error message on validation error
      */
     protected static function validatePhoneOrEmail($input, &$is_phone = false): ?string
     {
         $is_phone = false;
 
         $v = Validator::make(
             ['email' => $input],
             ['email' => ['required', 'string', new ExternalEmail()]]
         );
 
         if ($v->fails()) {
             return $v->errors()->toArray()['email'][0];
         }
 
         // TODO: Phone number support
 /*
         $input = str_replace(array('-', ' '), '', $input);
 
         if (!preg_match('/^\+?[0-9]{9,12}$/', $input)) {
             return \trans('validation.noemailorphone');
         }
 
         $is_phone = true;
 */
         return null;
     }
 
     /**
      * Login (kolab identity) validation
      *
      * @param string $login    Login (local part of an email address)
      * @param string $domain   Domain name
      * @param bool   $external Enables additional checks for domain part
      *
      * @return array Error messages on validation error
      */
     protected static function validateLogin($login, $domain, $external = false): ?array
     {
         // Validate login part alone
         $v = Validator::make(
             ['login' => $login],
             ['login' => ['required', 'string', new UserEmailLocal($external)]]
         );
 
         if ($v->fails()) {
             return ['login' => $v->errors()->toArray()['login'][0]];
         }
 
         $domains = $external ? null : Domain::getPublicDomains();
 
         // Validate the domain
         $v = Validator::make(
             ['domain' => $domain],
             ['domain' => ['required', 'string', new UserEmailDomain($domains)]]
         );
 
         if ($v->fails()) {
             return ['domain' => $v->errors()->toArray()['domain'][0]];
         }
 
         $domain = Str::lower($domain);
 
         // Check if domain is already registered with us
         if ($external) {
             if (Domain::where('namespace', $domain)->first()) {
                 return ['domain' => \trans('validation.domainexists')];
             }
         }
 
         // Check if user with specified login already exists
         $email = $login . '@' . $domain;
         if (User::emailExists($email)) {
             return ['login' => \trans('validation.loginexists')];
         }
 
         return null;
     }
 }