Auto-backup, On-the-Fly Encryption, Interface Customizer, Spam and PGP plug-ins...
New in v4.0.x: New folder tabs interface, new modern look for main program's windows, automatic capitalization of the addressee's name, upgraded text editor, advanced image viewer, URL Manager (for retrieval of HTML images in the background), improved speed, TNEF format support, animated smiles in smile panel, /REFILTER command-line parameter to re-filter the specified folder, various other minor enhancements and bug fixes; Release Notes - Last Updated: 04.23.08 (v4.0.24)
Upgrade Meter: 4
New in v3.98.4: Auto-backup feature, compatibility with Restart Manager (RM) under Windows Vista, Address Space Layout Randomization (ASLR) and Data Execution Prevention (DEP) supported under Windows Vista, "silent" installation option; Release Notes - Last Updated: 03.06.07 (v3.98.4)
Upgrade Meter: 2
New in v3.95.06 (Christmas Edition): Full compatibility with Windows Vista operating system, improvements in the Unicode compatibility & support, enhanced IPv6 protocol support, new command line parameters and macros, various minor enhancements and bug fixes; Release Notes - Last Updated: 01.02.07 (v3.95.06)
Upgrade Meter: 4
New in v3.80: Interface customizer tool with extensive customization capabilities; improved and re-designed folder properties, search function, sorting office, message editor, and IMAP functionality; Release Notes - Last Updated: 05.12.06 (v3.80.06)
Upgrade Meter: 2
New in v3.71: Advanced search, search speed optimizations, Outlook Redemption DLL support for better importing from MS Outlook, various minor enhancements and bug fixes; Release Notes - Last Updated: 02.22.06 (v3.71.03)
Upgrade Meter: 2
New in v3.60: Improved performance, ability to zoom images in the HTML viewer, consumes less memory when dealing with very large message flows, message finder can now automatically search inside encrypted messages, Unicode supported by Regular Expressions in Sorting Office/Filters, ability to configure SmartPad settings; Release Notes - Last Updated: 09.02.05 Upgrade Meter: 4
New in v3.5: Fully customizable user interface, on-the-fly encryption and biometric authentication (Pro version only), scheduler action in filters, macros in filter actions, grouping by date/sender/recipient, support of simultaneous IMAP connections; Release Notes - Last Updated: 05.16.05 Upgrade Meter: 5
New in v3.0: Redesigned interface, Mail Chat feature for exchanging instantaneous messages over mail servers, Virtual Folder technology for improved organization, new flow chart style front end for the Sorting Office, new MSI-based digitally signed installation package; Release Notes - Last Updated: 09.01.04 Upgrade Meter: 4
New in v2.11: Mail chat feature, chat virtual folders, automatic filtering on IMAP, numerous other enhancements and bug fixes; More Upgrade Meter: 4
New in v2.10: Virtual Folders, updated HTML editor, folder view modes, updated BayesIT! spam protection plug-in, various bug fixes; More Upgrade Meter: 4
New in v1.53: Improved Networking Engine, enhanced Address Book, DDE mode to exchange data with other applications, interface improvements, bug fixes; Notes Upgrade Meter: 4
New in v1.52: GnuPG (Gnu Pricvate Guard) encryption support, new Message Centre (replaces Dial-up Monitor and multiple mail windows), birthday reminder feature, various other feature enhancements and bug fixes; Release Notes Upgrade Meter: 4
New in v1.30: Ability to view HTML messages, quick templates (with support for multiple templates in one message), new message list pane (with threading by references, by sender, by recipient, and by subject), various bug fixes for earlier releases; Notes Upgrade Meter: 5
Pros: Excellent feature-set, including the exclusive Mail Ticker; easy to use; inexpensive
Cons: Lacks a few advanced features of competing clients - most notably HTML support