We’re not sure whether everyone needs the practical function. But if you want, the following messaging app Slow Message will help you send emails that arrive days, weeks, months or even year in the future.
Slow Message is an innovative messaging app developed by Toad Corporation, and designed for iPhone and iPod touch. The iPhone app features simple and eye-catching user interface and two main functions, one, you can send email to your friends, and setting how slowly should your message arrive, another, you can also send a mail to yourself, which will arrive in the future as a reminder. But note, you need to register your email address when you first run the messaging app.
Slow Message with a size of 3.1 MB is compatible with iPhone, iPod touch and iPad running iOS 5.0 or later. The iPhone app is free for a limited time at present. If you’re interested, jump to App Store for more details.