Description
What steps will reproduce the problem?
What is the expected result?
What do you get instead?
Additional info
| Q | A |
|---|---|
| Yii version | 2.0.23? |
| PHP version | 7.0.33 |
| Operating system | Ubuntu 16.04 |
Unable to send mail by Swift_MailTransport
Invalid Configuration – yii\base\InvalidConfigException
Failed to instantiate component or class "Swift_MailTransport".
↵
Caused by: ReflectionException
Class Swift_MailTransport does not exist
in /vendor/yiisoft/yii2/di/Container.php at line 431