K-9 Mail Alternatives
K-9 Mail
K-9 is an open source email client for Android with multi-folder sync, email signatures, Bcc-to-self, return-address configuration, keyboard shortcuts, Exchange Support, message flagging, IMAP deletes, saving attachments, configurable notifications and more.
Best K-9 Mail Alternatives for Windows
Looking for a program that is like K-9 Mail? We have our top picks here. If you need another program that has some of the features of K-9 Mail on your device, read what we recommend in this post.
Thunderbird
FreeOpen SourceMacWindowsLinuxBSDPortableApps.comHaikuThunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox.
Features:
- Extensible by Plugins/Extensions
- Support for IMAP
- Built-in RSS reader
- Encryption
- SMTP integration
- Add-ons
- Calendar integration
- Extensions
- Multiple Account support
- Protected by Password
- Tabs
- Built-in Calendar
- Categories
- Customizable
- Delivery reports
- Extensible by Plugins/Extensions
- Free API
- Gmail integration
- Google Calendar integration
- Import from Google Reader
- Gui
- HTML Compose
- Integrated Chat
- Integrated Password Manager
- Integrated Web Browser
- Intuitive
- Legacy addons support
- Export to OPML
- Import feeds from OPML
- Organize mails
- POP3 Support
- Portable
- Secure File Sharing
- Support for POP3
- Tabbed interface
- Support for Themes
Microsoft Office Outlook
FreemiumMacWindowsWebAndroidiPhoneAndroid TabletWindows PhoneiPadApple WatchAndroid WearPart of the Microsoft Office Suite, Outlook is a personal information manager that lets you manage your e-mail, calendar, contacts, and tasks.
Features:
- Address book integration
- Built-in Calendar
- Calendar integration
- Exchange
- Box.com integration
- Contacts
- Custom rules
- Dropbox integration
- Email scheduling
- Exchange Integration
- Flight Status
- Gmail integration
- ICloud Integration
- Integrated Search
- Multiple Account support
- Night mode/Dark Theme
- Office 365 integration
- Onedrive integration
- Organize mails
- Shared calendars
- Signature with image
- Smart attachments
- Todos
- Unified inbox
- Yahoo Integration
Opera Mail
FreeMacWindowsPortableApps.comOpera Mail powerfully organizes, indexes, and sorts your messages. It has spam filtering (both automated and Bayesian), supports POP3 and IMAP, newsgroups as well as...
Features:
- Built-in RSS reader
- Integrated Spam Protection
- Mail filtering
- Message Filtering
- Portable
Claws Mail
FreeOpen SourceWindowsLinuxBSDClaws Mail is an email client (and news reader), based on GTK+, featuring Quick response Graceful, and sophisticated interface Easy configuration...
Features:
- Lightweight
- Built-in RSS reader
- Content Filtering
- Customizable
- Extensible by Plugins/Extensions
- Support for IMAP
- Integrated Email Client
- Multiple languages
- Multiple Account support
Mailspring
FreemiumMacWindowsLinuxArch LinuxFedoraUbuntuBoost your productivity and send better email with Mailspring, a beautiful, fast email client for Mac, Windows, and Linux. Mailspring is free to use and an optional pro...
Features:
- Unified inbox
- Multiple Account support
- Customizable
- Email tracking
- Night mode/Dark Theme
- Ad-free
- Auto update
- Beauty and fluid interface
- Built-in themes
- Linux
- Multi-platform support
- Notifications
- Sidebar
- Theme Customization
- Support for Themes
- User friendly
- Drag n drop
- Electron based
- Email Analytics
- Extensible by Plugins/Extensions
- Support for IMAP
- Snooze mail
- Threaded Conversations
BlueMail
Free PersonalMacWindowsLinuxAndroidiPhoneChrome OSAndroid TabletiPadApple WatchBlueMail is a modern, mobile first, powerful Email management tool with a sleek design, unified inbox and support for all your accounts: IMAP,Exchange,POP3.
Features:
- Ad-free
- Calendar integration
- Support for IMAP
- POP3 Support
- Unified inbox
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