For users of the nPOP e-mail client, there is a much extended version, nPOPuk for WM5, WM2003, WinCE, Win32. Of course, freeware.
http://www.npopsupport.org.uk/
In addition to the features of nPOP v1.0.9, nPOPuk 2.0 features:
All user-data files can be backed up
Multiple saveboxes and additional mail filtering options that permit sorting of mail, on receipt, into user-defined folders.
Copying and Moving mail to and between Saveboxes.
Command-line option to define the location of the nPOPuk.ini file, so various nPOPuk versions on a flash memory device can be use used on a range of platforms and accessing the same mail data.
An icon to indicate HTML messages, with rudimentary parsing of html-only messages to make them readable.
Ability to group addresses in the address book
Option to quote only portions of a message
New icons and toolbar button images.
A Mail Forwarding Facility
Global Options to allow:
Disabling of Warning Popup Boxes
Control of Mail List Sorting
An option to Save all working files without exiting.
Support for mail priorities (High, Normal and Low).
Support for read and delivery receipts.
and more