What additional settings may need to be configured on the local machine to successfully send emails through PHP?

To successfully send emails through PHP, additional settings may need to be configured on the local machine, such as setting up an SMTP server and providing authentication credentials. This is necessary to establish a connection with the mail server and send emails securely. 

// Additional settings for sending emails through PHP
$to = "recipient@example.com";
$subject = "Test Email";
$message = "This is a test email.";
$headers = "From: sender@example.com";

// Configure the SMTP settings
ini_set("SMTP", "mail.example.com");
ini_set("smtp_port", "25");

// Provide authentication credentials if required
ini_set("sendmail_from", "sender@example.com");

// Send the email
mail($to, $subject, $message, $headers);

Keywords

SMTP email configuration mail server PHPMailer authentication

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