K-9 Mail app for Android with email filtering
K-9 is the best email client for Android. It’s incredibly powerful and 100% free. K-9 Mail is an open-source e-mail client with search, IMAP push email, multi-folder sync, flagging, filing, signatures, bcc-self, PGP, mail on SD & more! It’s loaded with every email feature you could think of except ActiveSync (Push email, however IMAP integration syncs almost as fast as ActiveSync). By far a better replacement over the default email client created by Google. Google’s conventional e-mail client for Android has always felt like a second-class citizen compared to the company’s GMail application. It has a very limited user interface, lacks basic features like support for moving messages between folders, and isn’t particularly reliable. Google has been slow to address the program’s weaknesses and doesn’t seem to notice most of the complaints.
Fortunately, K-9 mail is much better, because it’s highly functional and well-maintained. K-9 is based on Google’s original Android mail client and is similarly distributed under the open source Apache license, but it’s got a whole pile of additional features.
K-9 supports IMAP, POP3 and Exchange 2003/2007 (with WebDAV).
K-9 mail for Android features:
- Send and Receive
- Configure to IMAP, POP3, and WebDAV (Exchange) email protocols
- Search Multiple inboxes
- Swipe for Previous/Next emails
- Set Android Notifications, sounds and vibrate alerts
- Delete email on the server works (A huge gripe with users of the default email client, when you specify to delete on the server… it doesn’t, meaning double work when you do get back to desktop)
- Multi-folder Synchronization
- Opening and Saving attachments
- Email Sorting
- Copy email text by Forwarding message
- Frequency check settings
- Keyboard shortcuts
K-9 mail app for Android- the ease of emailing on Android:
Once you have your IMAP, POP3, and/or WebDAV (Exchange) accounts; everything else is typical of a mobile email client. Be sure to set your email preferences such as notifications and sync options. One usability perk K9 Mail offers over Gmail is the Previous/Next buttons, which makes browsing through emails convenient versus viewing a message then going back to the entire list every time. It also gives the user fine-grained control over push and polling message retrieval behavior, with various configuration options that can be set per account and per folder. It also gives you a bit more control over notifications, including the option to have a separate notification tone for each account. You can also configure a "quiet time" range during which you don’t want any intrusive notifications.
There are a number of much-needed message management features in K-9 that aren’t supported in Google’s client. You can move or copy messages to other folders, filter to find other messages from a particular sender, or flag a message as spam to have it moved to the spam folder that you have configured for the account. The message view in K-9 is also a bit more functional. For example, it has an option that will let you view the full header for a message. Although K-9 fills almost all of the gaps in Android’s native e-mail functionality, there is still room for improvement. Its most notable weakness is its lack of support for message threading. It doesn’t provide a way to group related messages into conversations.
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