Being a non native English speaker I also found that wording a bit odd. To me reads like you don't sue them in the future if they commit the same exact type of

Being a non native English speaker I also found that wording a bit odd. To me reads like you don't sue them in the future if they commit the same exact type of violation, that is, if they spam you again, while it now seems clear that the purpose is to avoid being sued twice or more for one violation.