How to configure sparkpost smtp in codeigniter?

@jasen_gottlieb 

To configure SparkPost SMTP in CodeIgniter, you need to follow these steps:

Step 1: Install the CodeIgniter Email Library Start by installing the Email library in CodeIgniter. You can do this through Composer by running the following command in your project root directory:

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composer require codeigniter4/framework

Step 2: Load the Email Library Next, you need to load the Email library in your controller or autoload it. Open your controller file and add the following line at the top:

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use CodeIgniterEmailEmail;

Step 3: Set Up the Configuration Open the 'app/Config/Email.php' file and update the configuration settings for SparkPost SMTP. Set the following values:

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public $SMTPSsl = 'tls'; // or 'ssl' depending on your SparkPost configuration
public $SMTPPort = 587; // or 465 depending on your SparkPost configuration
public $SMTPCrypto = 'tls'; // or 'ssl' depending on your SparkPost configuration
public $SMTPUser = 'your-sparkpost-username';
public $SMTPPass = 'your-sparkpost-password';
public $SMTPHost = 'smtp.sparkpostmail.com';
public $SMTPTimeout = 30;
public $SMTPCharset = 'utf-8';
public $SMTPValidate = true;

Step 4: Send an Email Now you can send emails using the SparkPost SMTP server. Here's an example code to send an email:

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$email = new Email();
$email->initialize();

$email->setFrom('your-email@example.com');
$email->setTo('recipient@example.com');
$email->setSubject('Hello from CodeIgniter!');
$email->setMessage('This is the message body.');

if ($email->send()) {
    echo 'Email sent successfully.';
} else {
    echo $email->printDebugger(['headers']);
}

Make sure to replace 'your-email@example.com' and 'recipient@example.com' with the appropriate email addresses.

That's it! You have configured SparkPost SMTP in CodeIgniter and sent an email using it.