use the phpmailer library and I have the ports open-----------

Starting Nmap 7.70 ( https://nmap.org ) at 2024-05-11 16:16 CDT
Nmap scan report for sil.pcgil.net (45.33.13.46)
Host is up (0.0000070s latency).
Not shown: 994 closed ports
PORT STATE SERVICE
22/tcp open ssh
25/tcp open smtp
80/tcp open http
443/tcp open https
465/tcp open smtps
3306/tcp open mysql

error------>>>
"2024-05-11 21:09:38 SMTP ERROR: Failed to connect to server: Connection timed out (110)
2024-05-11 21:09:38 SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting

Fatal error: Uncaught phpmailerException: SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting in /var/www/html/gilstore_silva/lib/mailer/class.phpmailer.php:1312
Stack trace:

0 /var/www/html/gilstore_silva/lib/mailer/class.phpmailer.php(1156): PHPMailer->smtpSend('Date: Sat, 11 M…', '<div style="\n\t\t…')

1 /var/www/html/gilstore_silva/lib/mailer/class.phpmailer.php(1060): PHPMailer->postSend()

2 /var/www/html/gilstore_silva/controller/correo.php(575): PHPMailer->send()

3 /var/www/html/gilstore_silva/controller/correo.php(470): sendEmail(Array, 'Cotizacion EP S…', '<div style="\n\t\t…', '../files/1/coti…', '')

4 {main}

thrown in /var/www/html/gilstore_silva/lib/mailer/class.phpmailer.php on line 1312
"

php code----

$mail = new PHPMailer(true);
$mail->SMTPDebug = SMTP::DEBUG_SERVER;
$mail->IsSMTP();
$mail->IsHTML(true);
$mail->FromName = "name company";

if($dt['EMAIL']!="" && $dt['PASS']!="" ){

    $mail->From       = $dt['EMAIL'];
    $mail->Username   = $dt['EMAIL'];
    $mail->Password   = $dt['PASS'];
    $mail->Mailer     = "smtp"; 
    $mail->SMTPSecure = 'ssl';
    $mail->Host       = $dt['SMTP'];// //smt.ejemplo.com
    $mail->Port       =  $dt['PORT'];// 465

}
$mail->DKIM_domain = 'ejemplo.com';
$file=file_get_contents('key.private');
$mail->DKIM_private = $file;
$mail->DKIM_selector = 'hmail._dkim.';
$mail->DKIM_passphrase = '*';
$mail->DKIM_identity = $mail->From;

$mail->SMTPAuth   =  true;
$mail->SMTPOptions = array(
    'ssl' => array(
        'verify_peer' => false,
        'verify_peer_name' => false,
        'allow_self_signed' => true
    )
); 

Please help, I'm a new???????????