public function testSendMailWithAttachments(): void
{
    $mailer = Craft::$app->getMailer()->compose()
        ->setTo('cde-web-admin@healthfirst.org')
        ->setSubject('Test with Attachments')
        ->setHtmlBody('<p>This is a test email with attachments</p>')
        ->attachContent('Attachment Content', ['fileName' => 'attachment.txt']);

    $this->assertTrue($mailer->send());
}

public function testSendMailWithCCAndBCC(): void
{
    $mailer = Craft::$app->getMailer()->compose()
        ->setTo('recipient@example.com')
        ->setCc('cc@example.com')
        ->setBcc('bcc@example.com')
        ->setSubject('Test with CC and BCC')
        ->setHtmlBody('<p>This is a test email with CC and BCC recipients</p>');

    $this->assertTrue($mailer->send());
}

public function testSetReplyToAddress(): void
{
    $mailer = Craft::$app->getMailer()->compose()
        ->setTo('recipient@example.com')
        ->setSubject('Test Reply-To Address')
        ->setHtmlBody('<p>This is a test email with a reply-to address</p>')
        ->setReplyTo('reply-to@example.com');

    $this->assertTrue($mailer->send());
}

public function testSendMailWithInlineAttachments(): void
{
    $mailer = Craft::$app->getMailer()->compose()
        ->setTo('cde-web-admin@healthfirst.org')
        ->setSubject('Test with Inline Attachments')
        ->setHtmlBody('<p>This is a test email with inline attachments <img src="cid:logo"></p>')
        ->attachContent('Inline Attachment Content', ['fileName' => 'logo.png', 'cid' => 'logo']);

    $this->assertTrue($mailer->send());
}