Hacker Newsnew | past | comments | ask | show | jobs | submitlogin

In canada : if it is a shortcode (very short phone number) STOP is probably supported at the carrier level.

Any regular phone number, you are probably just telling the spammer you are a real person with a working number and you will receive 10x more spam



Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: