$message = new Message();
 
$message->addTo('your@mailadress.com');
$message->addFrom('your@mailadress.com');
$message->setSubject('YourTitle');
 
// HTML part
$htmlPart           = new MimePart($html);
$htmlPart->encoding = Mime::ENCODING_QUOTEDPRINTABLE;
$htmlPart->type     = "text/html; charset=UTF-8";
 
// Plain text part
$textPart           = new MimePart($text);
$textPart->encoding = Mime::ENCODING_QUOTEDPRINTABLE;
$textPart->type     = "text/plain; charset=UTF-8";
 
$body = new MimeMessage();
 
// With attachments, we need a multipart/related email.
$content = new MimeMessage();
$content->addPart($textPart);
$content->addPart($htmlPart);
 
$contentPart = new MimePart($content->generateMessage());
$contentPart->type = "multipart/alternative;\n boundary=\"" .
$content->getMime()->boundary() . '"';
 
$body->addPart($contentPart);
$messageType = 'multipart/related';
 
// Add attachment
$attachment = new MimePart($yourrawfiledata);
$attachment->filename    = 'filenameexample.pdf';
$attachment->type        = Mime::TYPE_OCTETSTREAM;
$attachment->encoding    = Mime::ENCODING_BASE64;
$attachment->disposition = Mime::DISPOSITION_ATTACHMENT;
 
$body->addPart($attachment);
 
// attach the body to the message and set the content-type
$message->setBody($body);
$message->getHeaders()->get('content-type')->setType($messageType);
$message->setEncoding('UTF-8');
 
$transport = new Sendmail();
$transport->send($message);