设置YiiMail扩展时出错


Error setting up YiiMail extension

我正在尝试设置YiiMail,我有以下错误信息:

Error 500
 Alias "ext.yii-mail.YiiMail" is invalid. Make sure it points to an existing PHP file and the file is readable.enter code here

我已将YiiMail扩展置于以下目录:

/myapp/protected/extensions/
/myapp/protected/extensions/mail/
/myapp/protected/extensions/mail/YiiMail.php
/myapp/protected/extensions/mail/YiiMailMessage.php

谁能解释为什么我得到这个错误,因为它似乎是在正确的扩展目录(与所有其他现有的扩展)

我在组件部分的配置数组中添加了以下内容:

 'mail' => array(
            'class' => 'ext.yii-mail.YiiMail',
            'transportType' => 'php',
            'viewPath' => 'application.views.mail',
            'logging' => false,
            'dryRun' => false
        ),

在配置数组

的导入部分重复下面的内容
'import' => array('ext.mail.YiiMailMessage'),

" class "数组项不正确-现在一切正常