We are getting all the submissions in one collected mail which is hard to answer each person
Hi there and welcome to the Community, @Laurentius_Straub 
Thanks for sharing your idea! If more users upvote it, we’ll try to think it over in the future 
In the meantime, we’ve got a custom solution that enables individual subject for each submission, so that they wouldn’t be pulled into 1 thread - Forms: How to keep your submissions organized and separate