>>20203518https://www.ftc.gov/legal-library/browse/rules/fair-debt-collection-practices-act-textYou should never ignore legit collections. If it comes from a scammer shure, let it go to the junk mail. But if it's real, and a mistake your best bet is to clear it up quickly. Even if it's a legit debt sub section 805 line c specifically states that you can request termination of all contact and the collection agency can no longer contact you.