Saving draft emails in android

Question

I have an app from which we can send emails .I need some help with the email sending. If the the internet is not available need to store the mail and when connection available send the saved mails.Which is the effective option to save the draft mails ?(Like draft mail in gmail, where gmail stores draft mails ?) store db ?

Answer 1

I would use a db with encrypted e-mails using something like AES like this or this.

Answer 2

If the the internet is not available, the device will try to send it when the internet is available again. Or you can download some Apps if you like.