I don't think so? I've used temporary email sites to sign up for other sites I didn't want permanent accounts for. There are also dozens of websites that host

I don't think so? I've used temporary email sites to sign up for other sites I didn't want permanent accounts for. There are also dozens of websites that host regular e-mail, convert movie files, are color pickers etc. It's a relatively basic service that gets used by a large amount of people