What are common reasons for not receiving bounces when using the mail() function in PHP?

One common reason for not receiving bounces when using the mail() function in PHP is that the email server may not be properly configured to handle bounced emails. To ensure that you receive bounce notifications, you can set the Return-Path header in the email headers to an email address that can receive bounce notifications. 

$to = 'recipient@example.com';
$subject = 'Test Email';
$message = 'This is a test email';
$headers = 'From: sender@example.com' . "\r\n";
$headers .= 'Return-Path: bounce@example.com' . "\r\n";

mail($to, $subject, $message, $headers);

Keywords

mail function bounces SMTP server email headers error handling

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