Postbox Alternatives
Postbox
Postbox is an email application that helps you organize your work life and get stuff done.
It has all the elegance and simplicity of Apple Mail, but with more power and flexibility to manage even the most demanding workloads.
Key Features
* Ultra-Fast Search - Instantly find messages, attachments, images, links, and contacts.
* Conversation Views - Make sense of email threads through chronological message views.
* Better Organization - Tabs, Topics, and To-Dos help you stay organized with less effort.
* Postbox integrates with the Address Book, iCal, iPhoto, Spotlight, and Quick Look. Postbox even works with OmniFocus and Things !
* Quick and Easy Setup - Postbox will automatically determine your connection settings for you!
Best Postbox Alternatives
Looking for some programs similar to Postbox? Here are the top-recommended programs we found. Let's take a look if there's anything out there that helps you on whatever platform you're using.
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
Mailbird
CommercialWindowsMailbird is more than just another email client - It's an all-in-one communication platform for email, contacts, calendar, apps, task management, video meetings and...
Features:
- Undo send
- Asana integration
- Clean design
- Sync Contacts
- Contacts
- Dropbox integration
- Facebook integration
- GSuite Integration
- Multiple Account support
- News
- Night mode/Dark Theme
- Organize mails
- Sidebar
- Slack client
- Slack integration
- Social network
- Threaded Conversations
- Trello integration
- Twitter integration
- Unified inbox
Apple Mail
FreeMaciPhoneiPadThere’s big news attached. The best way to manage email on a Mac gets even better with OS X Yosemite.
Features:
- Bundled with macOS
- CalDAV
- CardDAV
- Encrypted Email
- Exchange
- Rich text editing
- UI customization
eM Client
FreemiumMacWindowseM Client is a full featured e-mail client with a modern and easy to use interface. eM Client also offers calendar, tasks, contacts and chat.
Features:
- Calendar integration
- Automatic Backup
- Built-in themes
- Built-in translation
- CalDAV
- CardDAV
- Chat
- Cloud sync
- Combined Inbox
- Sync Contacts
- Contacts
- Encrypted Email
- Email preview
- Exchange
- Apps that Sync with Google Calendar
- Support for IMAP
- Imports email from Live mail
- Night mode/Dark Theme
- POP3 Support
- Ssl
- Calendar Sync
- Threaded Conversations
Evolution
FreeOpen SourceLinuxBSDS/MIMEGNOMEOpenPGPEvolution is a personal information management application that provides integrated mail, calendaring, address book and task list functionality.
Features:
- Calendar integration
- CalDAV
- Exchange
- Built-in RSS reader
- CardDAV
- Encrypted Email
- Integrated Spam Protection
- Multiple languages
- POP3 Support
- Reminders
- Support for WebDAV
Spark
FreemiumMacAndroidiPhoneE-mail app with all the great features: swipes (long/short), snooze, add (multiple) attachments from the cloud, support for various e-mail services and more.
Features:
- Clean design
- Multiple Account support
- Sync across Devices
- Calendar integration
- Email scheduling
- Exchange
- Postpone email reception
- Smart inbox
- Snooze mail
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
OpenProject
FreemiumOpen SourceWebSelf-HostedRubyCloudronOpenProject is an open-source project management software with a wide set of features and plugins. It supports project timelines / Gantt charts, issue tracking, wiki...
Features:
- Gantt-charts
- Kanban boards
- Work Item Tracking
- Agile boards
- Computer-aided manufacturing (CAM)
- Cost Calculator
- Cost estimate
- Email tracking
- Gantt-charts
- Project Tracking
- Reporting
- Splitting costs
- Task Management
- Timeline
- Wiki
Shift
FreemiumMacWindowsLinuxShift is the workstation for productive people. Trusted by hundreds of thousands of productivity enthusiasts around the world, Shift streamlines your workflows so you can get things done more efficiently.
Features:
- Unified search
- Multiple Account support
- Quick switching using hotkeys
- Unified inbox
- Android Sync
- Cross account search
- Extensions
- Gmail integration
- Google Apps integration
- Apps that Sync with Google Calendar
- Google Drive integration
- Sync with Google Drive
- GSuite Integration
- Multiple Account support
- Outlook integration
- Salesforce integration
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