I used to annoy my friends by sending emails to their sms email address (1234567890@vtext.com or whatever) using open email relays. You could spoof the sender n

I used to annoy my friends by sending emails to their sms email address (1234567890@vtext.com or whatever) using open email relays. You could spoof the sender name as whatever you wanted and most sms clients would just show that.