It kind of depends what your motive for your mailing list is. If you are trying to sell then actually people “self cleaning” is not tat big an issue - you just

It kind of depends what your motive for your mailing list is. If you are trying to sell then actually people “self cleaning” is not tat big an issue - you just need to make sure that it’s at the right point in your funnel. If it’s brand building it’s more of a problem. 1% (as other people have said) really isn’t bad. Maybe you need to offer more options - a monthly digest or something.