Steps to reproduce:
1. Send a manual email with attachments to a dummy customer.
2. As a dummy customer open your inbox on an iphone using bundled email client.
3. Open sent email.
All attachments are presents in the email
No attachments are present even though attachment indicator (a paperclip) can be seen in the inbox next to the test email (see screenshots)
3rd party email clients like 'Spark' display attachments just fine, not the bundled one however.