ProfiMail 2.91

ProfiMail is one of the best choices if you need a mail client for Windows Mobile.

This mail manager supports POP3, IMAP and SMTP, and allows the user to manage as many email accounts as the user want.

ProfiMail gives a good service through an intuitive and useful interface that allows you to change from an user to another with no problem, dive in the inbox, preview the received messages before downloading them...

Create your sign, work with ZIP files, and search your contacts in its useful contact list.

Finally, Profimail also supports HTML messages so you'll be able to view all the emails you'll receive.

Note:
Pocket PC 2003 and Windows Mobile 5/6

Limitations: You can download up to 3MB of emails when using the trial version.