Sounds a lot like Intigi which already does this quite well: https://intigi.com/about
like secret sender, but less secure? https://secretsenderapp.heroku.com/
looks like a clone of sworly.com: http://sworly.com/
Sounds a lot like Intigi which already does this quite well: https://intigi.com/about
like secret sender, but less secure? https://secretsenderapp.heroku.com/
looks like a clone of sworly.com: http://sworly.com/