I did something a little similar to this with Apps Script to deliver my non-urgent email (everything except from a few approved senders) once in the morning and

I did something a little similar to this with Apps Script to deliver my non-urgent email (everything except from a few approved senders) once in the morning and once in the evening. It's only a slight exaggeration to say that it has changed my life! If anyone is interested I'll dig out the code and share.