Update drivers.md

Author: MailCare

docs/drivers/drivers.md

@@ -53,12 +53,16 @@ Be sure the check the box labeled "Post the raw, full MIME message." when settin
 
 ## MailCare
 
+::: warning
+To use MailCare with Laravel Mailbox, you will need to generate a random password and store it as the `MAILBOX_HTTP_PASSWORD` environment variable. The default username is "laravel-mailbox", but you can change it using the `MAILBOX_HTTP_USERNAME` environment variable. 
+:::
+
 You can then set your `MAILBOX_DRIVER` to "mailcare".
 
-Next you will need to configure MailCare, to send incoming emails to your application at `/laravel-mailbox/mailcare`:
-- Activate authentication and automation features.
-- Create a new automation with the URL `https://your-application.com/laravel-mailbox/mailcare`
-- Be sure the check the box labeled "Post the raw, full MIME message."
+Next you will need to configure MailCare, to send incoming emails to your application at `/laravel-mailbox/mailcare`. 
+- Ask support to activate authentication and automation features.
+- Create a new automation, if your application is at `https://awesome-laravel.com`, it would be with the URL `https://MAILBOX_HTTP_USERNAME:MAILBOX_HTTP_PASSWORD@awesome-laravel.com/laravel-mailbox/mailcare`
+- Be sure the check the box labeled "Post the raw, full MIME message "
 
 See ["MailCare"](https://mailcare.io) for more information.