What are best practices for troubleshooting PHP email sending issues with web.de?

Issue: When trying to send emails from a PHP script using the web.de SMTP server, emails are not being delivered or are being marked as spam. Solution: One common issue is that web.de requires authentication and secure connections for sending emails. Make sure to properly configure the SMTP settings in your PHP script to include authentication and use SSL or TLS encryption. PHP Code Snippet: 

<?php
$to = "recipient@example.com";
$subject = "Test Email";
$message = "This is a test email from PHP.";

$smtpServer = "smtp.web.de";
$port = 587;
$username = "your_webde_email@web.de";
$password = "your_webde_password";

$transport = (new Swift_SmtpTransport($smtpServer, $port, 'tls'))
  ->setUsername($username)
  ->setPassword($password);

$mailer = new Swift_Mailer($transport);

$message = (new Swift_Message($subject))
  ->setFrom([$username => 'Your Name'])
  ->setTo([$to])
  ->setBody($message);

$result = $mailer->send($message);

if($result) {
  echo "Email sent successfully.";
} else {
  echo "Failed to send email.";
}
?>

Keywords

PHP email sending web.de troubleshooting SMTP

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