MailDroid - Free Email Application

Although most mobile users prefer nowadays to communicate through instant messaging, there are still a significant number of people who choose to send emails not only for work but also for personal purposes.
MailDroid aims to meet these needs, so it integrates with POP, IMAP, and Exchange email account from providers like Gmail, Outlook, Yahoo Mail, AOL Mail, and many others. Furthermore, it enables users to organize accounts in any order they want, change nicknames, edit server settings and backup emails.
The mobile solution displays a user-friendly interface that you can personalize with various themes, font sizes and colors, notification icons, channels, ringtones and rules, custom folders and much more.
Its powerful editor offers all the tools you could request when composing an email, such as various text formatting options, spell checking and signature support. In addition to all this, you can encrypt emails, postpone the delivery a few minutes, hours or even days and delete messages not only on your device but also on the server.