nPOPuk, a highly successful branch of the popular nPOP POP3/SMTP email client has been updated. Last updated in March 2014, the November 2017 version 3.04 release is available for Windows CE 2.0, 2.11, and 3.0 / HPC2000 as well as newer CE 4.0 through 7.0 clients.

The update includes SSL fixes through new versions of OpenSSL, which has been the cause of a number of high profile, public security exploits since 2014. Along with other tweaks and fixes.

nPOPuk is free and open source. You can find more information and downloads through their website.

With thanks to nPOPuk creator and forum member gjcoram