Unfortunately yes, some people do still fall for them (commonly the elderly). Such a shame people take advantage of the unknowing. I have posted on every site I can and filed a CS3 FBI complaint, hopefully they can get it shut down before anyone gets hit.
It seems they are sending the messages from emails in an automated spam style to cell devices. These spam accounts setup on free email providers are usually shut down quickly, after too high/too quick of a send limit is reached. Its not uncommon for the @(insertrandomemail).com to change.