Emails from the cash or cash team will only have a link to square.com , squareup.com , cash. app or cash.me , cash.app/help. However, if the email contains a link to another website, Square will not send it. cash app support / assistance or via a voice connection provided to the cashier application support customer on the cashier application. However, Money Assistance will not ask for a login code, PIN code, social security number (SSN) and will not ask you to send payments, purchase or download remote access applications. Or perform a “test” of any transaction. However, you should visit the website for more information.