Yamc! is a really lightwight EMail Client, which doesn´t miss a important feature. Yamc! is able to handle multiple POP3/SMTP server, has folder support, you can compose multiple mails at the same time, tight addressbook integration,an own event planner with notifier, capability to work directly on the POP3 server, integration of Google(c),responsive support via WEB or EMail, and much more..