Can anyone help us on Add Attachment with email Magento 2.3? We have tried but face the same issue like this.
Fatal error: Uncaught Error: Call to undefined method Magento\Framework\Mail\Message\Interceptor::createAttachment() in Mail/TransportBuilder.php
Thank you in advance.
Best Answer
https://extait.com/blog/how-to-send-email-with-attachment-in-magento-2-3/
As from above link add encoding concept..