It allows you to read your mail on go, and send text with attachments directly from your device.

Features:

Automatic synchronization of messages with mail server
IMAP folders
Attachments - view, save, send HTML messages with images and hyperlinks
Built-in File Explorer Address book

Signatures Support for POP3 / IMAP / SMTP mail servers

Writing mails using T9 dictionary Multiple email accounts

Rules and filters allowing selective message download Opens and browses ZIP archives

Support for various character encoding - Western, Cyrillic, Central European, and more
Build-in image viewer - JPG, PNG and other popular formats Text viewer for standard text, HTML and Word documents

Optimized for GPRS - get headers first, then download message bodies which you really want to see

Scheduled message download Sound notifications.”
Pocket PC 2003, SmartPhone 2003, WM5, WM6