K-9 Mail

K- 9 Mail is a free e -mail program for the mobile operating system Android. The software is under the Apache license and is available through the Google Play Store, via F- Droid and on the official website as an app.

Functions

K- 9 Mail supports the retrieval of e- mails via POP3 and IMAP from multiple e- mail accounts. When using IMAP can be set per email folder if push email is to be used. In addition, Microsoft Exchange is supported 2003/2007 and WebDAV. The encryption of e -mails after the OpenPGP standard is possible if the Android Privacy Guard ( APG) program is installed. The appearance of the user interface can be customized by themes; default are the themes "light" and "dark" to choose from. The layout of the user interface adapts to the size of the display ( smartphone or tablet ).

Reception

K- 9 Mail was between five and ten million times downloaded from the Play Store and received over 48,000 reviews. The program is named as the best alternative to pre-installed e- mail program.

Offshoot

The proprietary e -mail program K-10 Mail is based on K- 9 Mail, but made ​​by a different developer.