How can one troubleshoot connection issues when using IMAP_OPEN with the telekom-cloudcenter in PHP?

To troubleshoot connection issues when using IMAP_OPEN with the telekom-cloudcenter in PHP, you can check if the IMAP extension is enabled in your PHP configuration and ensure that the correct IMAP server settings are being used. Additionally, make sure that the necessary ports are open and accessible for IMAP communication.

$server = '{imap.telekom.de:993/ssl}INBOX';
$username = 'your_username';
$password = 'your_password';

$connection = imap_open($server, $username, $password);

if (!$connection) {
    die('Connection failed: ' . imap_last_error());
} else {
    echo 'Connection successful!';
    // Further actions with the IMAP connection
}