is a cloud-based email client for Android that offers features like push mail, combined inboxes, and snoozing. It uses OAUTH2 for secure authentication, meaning it doesn't store your actual password—a security feature that is typically broken or bypassed in modded versions. Sugar Mail email app - Apps on Google Play

Modded versions of email apps can contain "backdoors" that capture your Gmail, Outlook, or Yahoo passwords the moment you log in.

Did you find this helpful? ... Hi Olaf, yes the app is cloud based, there is a fairly detailed technical discussion here: https:// Google Play Sugar Mail - Email app for Android

Because email apps have access to your contacts, messages, and attachments, a modified app can silently upload this data to a remote server.