How can one replace an invalid, misconfigured, or self-signed SSL certificate when using PHPMailer?

To replace an invalid, misconfigured, or self-signed SSL certificate when using PHPMailer, you can set the `SMTPOptions` parameter to include the `ssl` key with a value of `verify_peer` set to `false` and `verify_peer_name` set to `false`. This will disable the verification of the SSL certificate. 

$mail = new PHPMailer(true);
$mail->isSMTP();
$mail->Host = 'smtp.example.com';
$mail->SMTPAuth = true;
$mail->Username = 'your@example.com';
$mail->Password = 'yourpassword';
$mail->SMTPSecure = 'ssl';
$mail->Port = 465;
$mail->SMTPOptions = array(
    'ssl' => array(
        'verify_peer' => false,
        'verify_peer_name' => false,
    ),
);

Keywords

SSL certificate PHPMailer replace invalid self-signed

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