Replace the opencart Mail class to send mixed part emails correctly with DKIM signature support.
Reduce the chance of your email ending up in your customers junk/spam folder by sending your emails via SMTP instead of php native mail() function with a valid DKIM signature.
Fixes follow issues:
- Apple Mail & iCloud message in preview: 'this message has no content'
- iCloud returning emails incorrectly formatted never reaching your customers.
- gmail displaying email contents as attachments: noname.txt, noname.html
PHPMailer - A full-featured email creation and transfer class for PHP
Probably the world's most popular code for sending email from PHP!
Used by many open-source projects: WordPress, Drupal, 1CRM, SugarCRM, Yii, Joomla! and many more