Config mail.ru smtp

frontend/models/SignupForm.php

@@ -59,7 +59,29 @@ class SignupForm extends Model
         $auth = Yii::$app->authManager;
         $authorRole = $auth->getRole('user');
         $auth->assign($authorRole, $user->id);
-        
-        return $user->save() ? $user : null;
+
+        if ($user->save()) {
+            $this->sendEmail($user);
+            return $user;
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * Sends an email with a link, for resetting the password.
+     *
+     * @return bool whether the email was send
+     */
+    private function sendEmail(User $user)
+    {
+        return Yii::$app->mailer->compose(
+            ['html' => 'signup-html', 'text' => 'signup-text'],
+            ['user' => $this]
+        )
+            ->setFrom([Yii::$app->params['senderEmail'] => Yii::$app->name . ' robot'])
+            ->setTo($user->email)
+            ->setSubject('Account registration at ' . Yii::$app->name)
+            ->send();
     }
 }