New in v4.5:
New Vista-inspired default theme and interface enhancements, optimized application speed and profiling, improved application starting and closing speed, various Vista-related changes to the code, asynchronous URL and application launching through threads, improved efficiency and speed of email checking process, various other enhancements and fixes for earlier releases; Release Notes - Last Updated: 05.22.07 (v4.5 Build 3900)
Upgrade Meter:4
New in v4.0:
Improved HTML display, improved Online Folders, option to disable or enable individual accounts in Accounts Setup, option to warn when sending message without Subject line, option to encrypt email history list, various other enhancements and bug fixes; Release Notes - Last Updated: 11.07.06 (v4.1 Build 3652)
Upgrade Meter:2
New in v4.0:
Redesigned interface (cleaner and simpler to use), Instant Reply feature, RSS and feeds support (plus feed updates can be delivered with regular email), new SMTP functionality with full support for SSL and TLS, Quick Search feature, enhanced IMAP support, improved contacts management, Help On The Fly feature, improved import wizard, improved skinning support, streamlined preview pane, new Focus Box (for focusing on relevant messages as quickly as you can type, and allowing quick commands and queries to be issued), faster index display and sorting, revised local folders, new PocoScript interpreter, various other enhancements and bug fixes; Release Notes - Last Updated: 04.17.06 (v4.0 Build 3650)
Upgrade Meter:5
New in v3.4:
Added new default handling for Paste in Compose window, improved generation of Styled (HTML) messages, added new menu to aggregate optional Paste actions,
added check for valid email address in Reply-To field when editing account settings, various other enhancements and bug fixes; Release Notes - Last Updated: 03.23.05 Upgrade Meter:4
New in v3.3: QuickGuide feature; new Import Wizard; Outlook import support; support for NNTP and NEWS URIs; improvements to MIME handling, HTML message display and handling, and overall application speed; various other enhancements and bug fixes; Release Notes - Last Updated: 02.22.05 Upgrade Meter:4
New in v3.2: New Mailbox Index display mode; new mailbox selection tool when creating a filter; new Copy To, Move To, and Link To options to Address List right click menu; various other enhancements and bug fixes; Release Notes - Last Updated: 11.23.04 Upgrade Meter:4
New in v3.1: Bayesian spam filtering technology, junk mail filtering statistics, various other enhancements and bug fixes; Release Notes Upgrade Meter:4
New in v3.0: Completely redesigned interface, SSL support, PocoConsole, application toolbar, new WinXP look (when running on XP), NNTP Usenet support, POP and IMAP support updated, improved filtering, improved scripting, various other enhancements; Release Notes Upgrade Meter:5
New in v2.5: Multi-user support, Auto-complete (for message addresses and text), intelligent Junk Mail Filters, full-featured address book, IMAP and APOP support, preset pane layouts, ability to embed images, improved HTML message handling, improved filters and scripts support, improved importing, redesigned interface; Release Notes Upgrade Meter:5
New in v2.1: Support for SMTP Authentication, ability to limit the number of check mail threads, improved handling of custom skins, proxy settings for downloading images, many small speed and functionality improvements, various bug fixes; Release Notes Upgrade Meter:4
New inv2.0: Completely multithreaded operation, customizable toolbar (with skins support), Drafts folder for saving messages in progress, option for automatically encrypting incoming messages, password protect individual mailboxes, support for tables in HTML mail, better HTML rendering, faster operation overall; Release Notes Upgrade Meter:5
Pros: Attractive interface with tons of customization options, rich set of features, designed from the ground up to protect users from viruses and spam
Cons: Lacks PGP support as well as a few other advanced features & options relative to competing mail clients