If You need a "one package" solution ( SMTP + POP3 + FINGER ) You can try :
http://www.maticad.it/davide/xmail.asp Otherwise You can try : http://www.qmail.org or http://www.sendmail.org But if You use the latest two You must also install something like : http://www.eudora.com/freeware/qpop.html to get a POP3 access. Davide -- Feel free, feel Debian !