Steps to Reproduce

1. Make sure to configure your Outlook to don't download the external content as stated on the doc that it follows: Block or unblock automatic picture downloads in email messages
2. Create a test ticket with a customer account
3. When you receive the customer notification, reply that email adding an Attachment

Expected Results

• Your attachment will be uploaded successfully.

Actual Results

• You will notice that besides your actual attachment, a blank image it will be appended as well on the ticket named:
  • image001.jpg
  • Or the attachment can be shown by the URL of the image with an exclamation mark at the beginning.
• In case you are replying over a thread email which has previous attachments, that it will break the access to those files as well.