How to include html in mail body

There are a few ways to include HTML in the body of an email:

Plain Text vs. HTML: Most email clients allow you to send emails in either plain text or HTML format. To include HTML in the body of an email, you need to set the Content-Type header to text/html. You can do this using a programming language like PHP or Python, or using an email service provider like Mailgun or Sendgrid.
Using a templating engine: Many email service providers and programming languages have built-in templating engines that allow you to render HTML templates with dynamic data. For example, in PHP, you can use the twig templating engine to render an HTML template with dynamic data.
Using a library or framework: There are many libraries and frameworks available that make it easy to send HTML emails. For example, in Python, you can use the smtplib library to send emails with HTML bodies. In PHP, you can use the PHPMailer library.

Here is an example of how you might include HTML in the body of an email using PHP and the PHPMailer library:

<?php

require 'PHPMailer/PHPMailer.php';
require 'PHPMailer/SMTP.php';

$mail = new PHPMailer\PHPMailer\PHPMailer();
$mail->isSMTP();
$mail->Host = 'smtp.example.com';
$mail->Port = 587;
$mail->SMTPAuth = true;
$mail->Username = '[email protected]';
$mail->Password = 'your_password';

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

$mail->Subject = 'Test Email';
$mail->Body = '<html><body><h1>Hello World!</h1></body></html>';
$mail->AltBody = 'Hello World!';

if (!$mail->send()) {
    echo 'Error sending email';
} else {
    echo 'Email sent successfully';
}

?>

In this example, the Body property of the PHPMailer object is set to an HTML string that includes an <h1> heading. The AltBody property is set to a plain text version of the email body, which is used by email clients that don't support HTML.

Note: When sending HTML emails, it's a good idea to include a plain text version of the email body as well, in case the recipient's email client doesn't support HTML. This is known as the "alt body" or "plain text fallback".

Security considerations: When sending HTML emails, it's important to ensure that you're not including any malicious code or scripts in the email body. Make sure to sanitize any user-input data and use a reputable email service provider or library to send your emails.

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How to include html in mail body