How might a marketer better differentiate their digital coupons (and the like) such that prospective customers do not disregard or overlook them as spam-type communications?

"I am always getting mailers in the mail regarding their latest sales as well as digital coupons for discounts on all items not available to those who do not have a discount card. It is a nice gesture, but it can become annoying especially when you get tons of digital coupons every day."

How might a marketer better differentiate their digital coupons (and the like) such that prospective customers do not disregard or overlook them as spam-type communications?

Please answer the question above in 175 words or less if possible.