@BLOCS-Freak, That is indeed true, if a user is comfortable doing so. I assumed most users are not interested and instead averse to most things code related.
Just for nostalgia, the SMTP feature started with this
It was then added in Blocs Blocs 5.1.0 - July 3rd 2023 - Added SMTP form posting support
Again, if required @Hawkeye your hosting compnay should be able to assist you with any approach you wish to take.