What steps can be taken to troubleshoot and debug PHP scripts that are not sending emails as expected?

If PHP scripts are not sending emails as expected, one common issue could be related to the configuration of the SMTP server settings. To troubleshoot this, check the SMTP server settings in the PHP script and ensure they are correct. Additionally, check for any errors in the code that may be preventing the email from being sent successfully. 

// Example PHP script to send an email using SMTP server settings
$to = "recipient@example.com";
$subject = "Test Email";
$message = "This is a test email.";

// Set SMTP server settings
ini_set("SMTP", "smtp.example.com");
ini_set("smtp_port", "25");

// Send email
if (mail($to, $subject, $message)) {
    echo "Email sent successfully.";
} else {
    echo "Email sending failed.";
}

Keywords

SMTP mail function error logs debugging PHPMailer

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