How to Send Emails with PHP Mail() Function and PHP Mailer

How to Send Emails with PHP Mail() Function and PHP Mailer, you can use the following steps:

• Install and include the PHPMailer library in your PHP script. 
• Create a new instance of the PHPMailer class. 
• Configure the mail server settings, such as the host, port, and security settings.
• Set the sender's email address and name using the setFrom method. 
• Add the recipient's email address using the addAddress method. 
• Set the email's subject using the setSubject method.
• Set the email's body using the msgHTML method, which allows you to send an HTML email. 
• If you have any attachments to send, use the addAttachment method to add them. 
• Use the send method to send the email.

Example:

<?php
require 'path/to/PHPMailerAutoload.php';

$mail = new PHPMailer;

//Server settings
$mail->isSMTP();                                      // Set mailer to use SMTP
$mail->Host = 'smtp.example.com';  // Specify main and backup SMTP servers
$mail->SMTPAuth = true;                               // Enable SMTP authentication
$mail->Username = 'username';                 // SMTP username
$mail->Password = 'password';                           // SMTP password
$mail->SMTPSecure = 'tls';                            // Enable encryption, 'ssl' also accepted

//Recipients
$mail->setFrom('[email protected]', 'Your name');
$mail->addAddress('[email protected]', 'Recipient name');

//Content
$mail->isHTML(true);                                  // Set email format to HTML
$mail->Subject = 'Here is the subject';
$mail->Body    = '
...
';
$mail->AltBody = 'This is the body in plain text for non-HTML mail clients';

if(!$mail->send()) {
    echo 'Message could not be sent.';
    echo 'Mailer Error: ' . $mail->ErrorInfo;
} else {
    echo 'Message has been sent';
}

?>