在 Yandex Mail All settings → Email clients 下依次勾选 Use a mail client to retrieve your Yandex mail>From the imap.yandex.com server via IMAP>IMAP authorization method>App passwords and OAuth tokens
然后到这个页面创建单独密码,当然你要不介意安全问题也可以直接勾选 IMAP authorization method>Portal password