t-online.de - Quality German mails Login only Imap IMAP WEB not work well

<h4><span style="color: rgb(0, 0, 0); background-color: rgba(231, 231, 231, 0.16);">Used Login via IMAP</span><br style="color: rgb(0, 0, 0);"><span style="color: rgb(0, 0, 0); background-color: rgba(231, 231, 231, 0.16);">Gender MIX</span><br style="color: rgb(0, 0, 0);"><span style="color: rgb(0, 0, 0); background-color: rgba(231, 231, 231, 0.16);">Activated, IMAP</span></h4>