As an update to below, I just got done using the new SimpleMail and I have to say its real nice! Its much better then YAM now IMHO.
AmigaOne X5000 with MorphOS Installed
Powermac Dual 2.0 GHZ G5 (Registration #1894)
A4000T CSPPC, Mediator
Need Repairs, upgrades or a recap in the USA? Visit my website at http://www.acill.com