1)you could buy a cheap domain, create you@domain.sth 2) mail forward setup you@domain.sth -> regular gmail 3) setup gmail forward address test to you@domain.

1)you could buy a cheap domain, create you@domain.sth 2) mail forward setup you@domain.sth -> regular gmail 3) setup gmail forward address test to you@domain.sth 4) validate 5) mail forward setup you@domain.sth -> Expensify's mailbox 6) ^^