That‘s not how it works. The mails are not stored on BetterBird servers (there are none). Your mails are stored on your E-Mail providers server (like Gmail) and downloaded to your local client via IMAP or POP3.
The developer of BetterBird does not have access to any of that.
Fax machines and overhead projectors, if you live in Germany. Basically every office here still has a (frequently used) Fax machine and all schools still use overhead projectors.
It was actually quite a shock to me when my University retired their projectors in 2023. They sent an email to each and every student as a warning. Life‘s crazy here.
That‘s not how it works. The mails are not stored on BetterBird servers (there are none). Your mails are stored on your E-Mail providers server (like Gmail) and downloaded to your local client via IMAP or POP3.
The developer of BetterBird does not have access to any of that.