@HMer If you are seeing random “No Subject Blank emails” automatically being generated after sending emails with the recipient email addresses in the bcc line, that is a current issue that’s only happened since the V9.1.2109 upgrade. That issue is still being investigated.
The No Subject Blank emails being automatically sent also happened to me with a Gmail account when Forwarding Draft emails with attachments as per the below Thread. I also don’t use a VPN at all, so nothing to do with that.