In computing, the Post Office Protocol (POP) is an application-layer Internet standard protocol used by e-mail clients to retrieve e-mail from a mail server. POP version 3 (POP3) is the version in common use. The Post Office Protocol provides access via an Internet Protocol (IP)...

Configure POP3-based client. Problems with the email client. When downloading email from the server over POP3, Yandex.Mail backs up your messages on the server automatically.