Postbox 6.1.11

Postbox

Postbox is a slick, modern-looking email client that provides a rich set of tools to help you get more from your messages. Postbox helps you make the most of your email, offering powerful new ways to find, use, and view email messages and content, organize your work life, and get stuff done.

Postbox features include:

All Your Accounts in One Place -- Postbox Account Groups let's you organize accounts into groups.
Conversations Views — just like Gmail.
Postbox Topics — this takes tagging to a whole new level.
Great Gmail Support — labels, important, send, archive, shortcuts and the calendar!
Cloud File Sharing add-on enables you to send links to your Dropbox, Box, and OneDrive files instead of sending the files themselves.
Responses are pre-canned text/HTML snippets that can be reused within message replies.
Social Media Integration — update your Facebook, Twitter or LinkedIn status as well as auto-import profile photos for prettier email.
RSS and Newsgroup Support
Identities (also known as Aliases)
Date, address, phone number, and package tracking number detection
Full Suite of Keyboard Shortcuts
Anti-Tracking -- To protect your privacy, Postbox 5 has a new Anti-Tracking feature that will alert you when tracking tools are used within a message.
Includes 70 professionally written email responses that anyone can customize and use.
Postbox now includes 25 Beautifully Designed Email Signaturesthat will present you in the best light possible.
Access and manage POP and IMAP email accounts
Dark Mode on Windows and macOS
...and much, much more.

Postbox 6.1.11 changelog:

Several fixes to improve indexing performance
Added a "Theme" menu option to the View menu
Change to prevent the "Edit Message" command from activating when the Preview Pane is not open
The folder contextual menu command "Download This Folder" will now also index the folder
Added preference UI for "Show text attachments inline" in Preferences | Options > Display > General
Restored close window warning notifications on Windows
Removed message counts from the Windows Taskbar
Removed deprecated Default Send server option from Accounts > Outgoing Server settings
Fixed an issue that prevented filter action "Play Sound" filename from displaying
Fixed an issue with LDAP that prevented contacts from displaying
Fixed an issue with account reordering within an Account Group