现在也还有这样的配置，但由于密码容易泄露，已经很少有人再这样做了。

This configuration is still possible, but it is rare because of the implications.

youdao

另外在连接服务器(pop)时，传送的验证密码也是以明文形式传送的，同样容易引起密码的泄露，最终导致邮件被盗、泄密等。

Moreover, the password needed for authentication is also transmitted as plaintext when a connection to POP server is established, which may result in the stealing and divulging of the email.

youdao