Since we upgraded to the latest Sendy version, I periodically get emails from subscribers to our newsletter sent-from address, with nothing in the body and 'Unsubscribe' as the subject.
I'm assuming these were generated by the recipient clicking one-click unsubscribe at the top of the email (List-Unsubscribe and/or List-Unsubscribe-Post: List-Unsubscribe=One-Click). However, the recipient is not getting unsubscribed, so I have to do it manually.
Is there something I can do to fix this?
TIA