In addition to legal remedies (note that you can send FTC a note under CAN-SPAM if the ToS forces you to bind to US laws), if you are using a popular mail servi

In addition to legal remedies (note that you can send FTC a note under CAN-SPAM if the ToS forces you to bind to US laws), if you are using a popular mail service (especially Google's and Microsoft's) you can of course unceremoniously report them as spam, preferably using the web interface (so that their spam threshold increase to the point that they will be forced to learn to properly make an unsubscribe system). Edit: on their ToS: > Any claim relating to Triplebyte's web site shall be governed by the laws of the State of Delaware without regard to its conflict of law provisions.