What are common reasons for PHP mail functions not working properly?

Common reasons for PHP mail functions not working properly include incorrect mail server settings, firewall restrictions blocking outgoing mail, or PHP configuration issues. To solve this problem, ensure that the correct SMTP server settings are configured in the PHP mail function, check for any firewall rules blocking outgoing mail, and verify that PHP's mail configuration is set up correctly. 

// Example code snippet to configure PHP mail function with SMTP server settings
$to = "recipient@example.com";
$subject = "Test Email";
$message = "This is a test email";
$headers = "From: sender@example.com";

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

// Send the email using PHP mail function
$mail_sent = mail($to, $subject, $message, $headers);

if($mail_sent) {
    echo "Email sent successfully";
} else {
    echo "Failed to send email";
}

Keywords

PHP mail function SMTP server email headers spam folder error messages

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