Wmmaiload is a dockapp to monitor both new and total mails in one or more mail boxes. it supports a variety of mailboxes, including mbox, maildir, mh, pop3 and imap. it can be used with x window managers like windowmaker, afterstep, blackbox and enlightenment.
wmmaiload is similar to the wmbiff package, but features an lcd-like look knowm from wmcpuload, wmmemload and others. if you prefer an led-like look or need imaps support you should use wmbiff instead.