SharePoint learning notes-access request-set and implement access request (access required)

Sharepoint2010 provides the request access function, which allows you to easily notify the website administrator to apply for Website access permissions by email.
When a user's access is rejected, the following interface is displayed:

You can click the following "Request access" link to send a request email to the website administrator.

The website administrator receives the following email and clicks the corresponding link to go to the authorization access settings page.

You can use the following settings to request access from users.

To implement the above functions, we need to set them in site permission of the SharePoint website in advance.

Use the following interface to enable our website to support the request acess function and send your application to our specified email address.