maybe that has changed or they got lucky, but generally first time need to present in person. That's sort of makes sence as they want to see you face to face after that they don't seem to care if done online or in person.
%20Marriage%20Visa%20Requirements&text=You%20must%20be%20married%20to%20a%20Thai%20national.&text=You%20will%20have%20to%20provide,for%20at%20least%202%20months. Good luck