I thought I could use @valtown.email like a forwarding email.
Remix from https://www.val.town/x/pomdtr/inbox
https://www.val.town/x/std/email#from
The display of from: can be improved.
but it is a fixed format. (Browse code comment)
Therefore, by default, from: is put in reply-to:.
https://docs.val.town/vals/email/#custom-email-address
You can set up a custom email address
https://docs.val.town/vals/email/#custom-email-address
Emails have a 30MB limit