There are two points: (1) In general, you need a receipt. When the employer sees your resume, a dialog box will pop up, whether to send a read receipt or not. But there are still many people who don't quite understand this function, afraid of sending messages themselves or thinking that you are a Trojan horse, virus, hacker, etc., and most people can't click! There is also the fear that many applicants will send receipts and call the unit to ask questions when they see the receipts! There are also problems such as thinking that you can go to an interview ... companies may get bored! Hehe ... anyway, there are many factors in this respect ~ ~ (what can it do? The employer didn't read your resume. Even after reading it, there will be the first question!