Manage an unlimited number of email accounts with Blue Mail app. It is one of the most popular email clients for Android and iOS that supports a number of services such as Rediff, Yahoo, Outlook, and Gmail.
It lets you customize your swipe menu and email view actions as per your needs. All your data is always encrypted to protect your email communications. If you really want to tweak your email app to your wish, Blue Mail has a lot that you’ll probably like.