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Using a PHP script to send emails is a common practice for web applications, whether it's sending confirmation emails to users, dispatching messages from a contact form, or any other automated notification. In this article, we'll walk through how you can easily set up email sending from a PHP script.

Basics of Sending Emails from PHP

PHP provides the mail() function, which allows sending emails directly from a script. Using this function is relatively straightforward and requires just a few parameters: recipient, subject, message body, and optionally additional headers.

Example of Basic Usage of the mail() Function

<?php
$to = This email address is being protected from spambots. You need JavaScript enabled to view it.';
$subject = 'Test Email';
$message = 'Hello! This is a test email sent from a PHP script.';
$headers = 'From: This email address is being protected from spambots. You need JavaScript enabled to view it.' . "\r\n" .
    'Reply-To: This email address is being protected from spambots. You need JavaScript enabled to view it.' . "\r\n" .
    'X-Mailer: PHP/' . phpversion();

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

Configuring PHP for Email Sending

Before using the mail() function, it's important to ensure that your PHP server is properly configured for sending emails. This configuration typically involves settings in the php.ini file:

• For Unix/Linux servers, PHP usually uses sendmail or a similar program. Make sure that the sendmail_path directive is properly set.
• On Windows servers, you need to set the SMTP and smtp_port directives in the php.ini file to the values provided by your internet service provider or hosting company.

Advanced Email Sending Using Libraries

For more advanced email sending requirements such as SMTP authentication, HTML emails, attachments, or bulk mailing, it's recommended to use external libraries like PHPMailer or SwiftMailer. These libraries provide extensive features and simplify the task of email sending.

Sending emails from a PHP script is a useful feature that allows web applications to communicate with users. Whether you opt for the basic mail() function or choose more advanced libraries, it's important to properly configure your environment and ensure security when sending emails.