If you simply meant "snail mail" as a slang term for standard email (like Gmail) and need to find your drafts:
The gap between your digital life and your physical mailbox is smaller than ever. Whether you are an e-commerce addict waiting for 15 Amazon packages, a remote worker expecting a W-2 form, or a romantic who wants to send a real postcard from your phone—there is an Android app for that.
If you want to send actual physical letters or enjoy the "slow" pace of traditional mail through your phone: