How to Resolve \"Could Not Instantiate Mail Function\" Error in PHPMailer for HTML Emails?

PHPMailer Error: "Could Not Instantiate Mail Function"

When attempting to send HTML emails using PHPMailer, users may encounter the error "Mailer Error: Could not instantiate mail function." This error typically occurs when attempting to use the basic mail() function provided by PHP.

To resolve this issue, it is recommended to use SMTP (Simple Mail Transfer Protocol) for sending emails. Here's how to implement SMTP in your PHPMailer code:

<code class="php">// Enable SMTP
$mail->IsSMTP();
$mail->Host = "smtp.example.com"; // Replace with the SMTP server hostname

// Authentication (if required)
$mail->SMTPAuth = true;
$mail->Username = 'smtp_username'; // Replace with your SMTP username
$mail->Password = 'smtp_password'; // Replace with your SMTP password</code>

By utilizing SMTP, your PHPMailer script can now successfully send HTML emails, resolving the "Could not instantiate mail function" error.

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