世界上最优秀的邮件软件之一，支持多个信箱，Voice Mail功能、信件过滤器、定时提醒，支持HTML格式邮件，还能让你直接删除或选择性的下载远端服务器上的邮件，完全支持双字节内码，经过设置可以在不外挂任何多内码语言支持软件的情况下看繁体信件（但需安装微软的繁体语言支持包），还有非常方便的PGP加密支持，编辑界面及操类似WORD。
新版本增加了一些有趣的功能，比如：支持在WinXP的登陆欢迎界面显示你的becky未读邮件数，支持类似outlook2003的三列布局显示，等等...

详细更新列表：

Ver2.11.02 -> Ver.2.12
- It can show the count of unread messages on the Welcome screen of
Windows XP. You have to check "Mailbox Setup">"Receive">"Show unread
count on the Welcome screen of Windows" option for each mail account.
- Another "Three vertically divided panes" layout is added. It uses two
rows for one item in the list view. (Outlook like)
- When the address book is called within Compose window, To, Cc and Bcc
fields will synchronize between Compose window and the address book.
- If the recipients list in the address book is already input and another
e-mail address is selected in the list view, "Set to Mail" command will
show a message box asking whether you want to add the selected e-mail
address to the final recipients list.
- When you click a link within a HTML message viewed by IE component, the
link will be opened by the standard browser.
- Some information in a HTML message viewed by IE component will show up
in the status bar.
- When viewing a HTML message by IE component, "Untrusted Zone" (safest)
will be applied if "Disallow Scripts" option is on. Otherwise, "Internet
Zone" will be applied.
- When "Save Attachments to Separate Data Files" option is on, Becky!
will try to save one mail as one file if the message seems to include
attachment data in invalid MIME format.
- "Collapse tree items that were expanded while D&D" option is added.
While drag & drop, you can expand the tree item by hovering the mouse
cursor over the [+] button, and with this option, those tree items will
be automatically collapsed after drag and drop is finished.
("General Setup" > "Tree/List". Default is ON)
- "Date" option in Query dialog has become more detailed.
- In Query dialog, you can go back to the original result after you
process "Find in Result".

- BUGFIX: When you repeat re-editing a multipart message, unneeded CRLF
code was added before the multipart boundary.
- BUGFIX: HTML attachment files written in UTF-16 or UNICODE were not
able to be opened properly.
- BUGFIX: An extra dot at the beginning of the line in incoming messages,
which was added by the mail server for transporting reason, was not
removed if it was not clearly declared as a text content.
- BUGFIX: "Cut", "Copy", and "Paste" menu in Compose window did not work
properly for To, Cc, Bcc, Subject, etc. fields.
- BUGFIX: When Becky! was called from "mailto" command line, it used the
settings for the current folder property instead of Mailbox property.
- BUGFIX: It could not parse an invalid Date field which looks like
"01-Jan-2004".
- BUGFIX: When [](square blaket) were included in your name, the name
part wasn't enclosed by double quotes and caused mail sending error.

下载地址：
http://www.bekkoame.ne.jp/~carty/B2/bk21200.exe