How can troubleshooting steps be taken to determine if the issue lies with the PHP code, the email server, or Outlook itself when emails sent through Swiftmail are not reaching Outlook?

To troubleshoot the issue of emails sent through Swiftmail not reaching Outlook, you can start by checking the PHP code for any errors or misconfigurations that may be preventing the emails from being sent successfully. Next, verify the email server settings to ensure that the emails are being delivered properly. Finally, check Outlook settings and spam filters to see if the emails are being blocked or redirected. 

// Sample PHP code to send an email using Swiftmail
require_once 'vendor/autoload.php';

// Create the Transport
$transport = (new Swift_SmtpTransport('smtp.example.org', 25))
  ->setUsername('your_username')
  ->setPassword('your_password');

// Create the Mailer using your created Transport
$mailer = new Swift_Mailer($transport);

// Create a message
$message = (new Swift_Message('Wonderful Subject'))
  ->setFrom(['john.doe@example.com' => 'John Doe'])
  ->setTo(['receiver@example.com' => 'A name'])
  ->setBody('Here is the message body');

// Send the message
$result = $mailer->send($message);

if ($result) {
  echo 'Email sent successfully!';
} else {
  echo 'Failed to send email. Please check your settings.';
}

Keywords

PHP code Swiftmail email server Outlook troubleshooting

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