Change Message-ID PHPMailer - php

Question

Hello I am making a php based mailing application that will connect with a external smtp server and send emails. Now I have managed to match everything but the Message-ID's #domain-name and Sender domain name are not matching...
This is the result I am getting :
Wrong Message ID Header
and this is the result I should be getting (this email is sent from Mailwizz connected with the same SMTP server I am trying to connect with my application)
Expected Message ID Header
send.php file which I am using to connect with SMTP using PHPMailer
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;
require 'PHPMailer/Exception.php';
require 'PHPMailer/PHPMailer.php';
require 'PHPMailer/SMTP.php';
$mail = new PHPMailer;
$mail->isSMTP();
$mail->Host = 'smtp*****************';
$mail->SMTPAuth = true;
$mail->Username = 'notify#send.al***********';
$mail->Password = '**********';
$mail->SMTPSecure = 'tls';
$mail->Port = 80;
$mail->SetFrom('jon#al***********','John Adams');
$mail->Sender = 'notify#send.al*********';
$mail->addAddress('*********#gmail.com');
$mail->Subject = 'Hello This is a TEST FROM SMTP';
$mail->isHTML(false);
$mail->Body = 'Hello let me know when its received';
$mail->addCustomHeader('X-Sender', 'notify#send.al**********');
$mail->XMailer=null;
$mail->MessageID = md5('HELLO'.(idate("U")-1000000000).uniqid()).'-'.$type.'-'.$id.'#send.al*********';
if(!$mail->send()){
echo 'Error is '.$mail->ErrorInfo;
}
else{
echo 'Message has been sent!';
}
?>

Answer 1

In my experience, you do not need to use addCustomHeader if you want to set the MessageID.
Assuming that you want to set the Message ID to be [random]#send.alok, then please use the following:
$mail->MessageID = "<" . md5('HELLO'.(idate("U")-1000000000).uniqid()).'#send.alok>';
Hence, please the following will be ok:
<?php
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;
require './Exception.php';
require './PHPMailer.php';
require './SMTP.php';
$user='smtp_xxxxxx_user';
$pass='smtp_password';
$mail = new PHPMailer(true);
try {
$mail->CharSet ="UTF-8";
$mail->SMTPDebug = 0;
$mail->isSMTP();
$mail->Host = 'smtp.xxxxx.com';
$mail->Username = $user;
$mail->Password = $pass;
$mail->MessageID = "<" . md5('HELLO'.(idate("U")-1000000000).uniqid()).'#send.alok>';
$mail->setFrom('jon#alxxxx.com', 'Jon Al');
$mail->addAddress('jon#gmail.com');
$subject="test";
$message="test123";
$mail->Port = 25;
$mail->isHTML(true);
$mail->Subject = $subject;
$mail->Body = $message;
$mail->send();
// echo 'Success';
} catch (Exception $e) {
//echo 'Failed';
}
?>
You may refer to the screen dump below for the result