problemas no qmail

Saudações!

Baixei o tutorial de instalação do qmail + webmail. Efetuei toda a instalação e configuração, porém, não consigo enviar e nem receber e-mail. Vejam o que diz o arquivo de log:

@400000003e6f6b6e0ef798ac PATH=/var/qmail/bin:/command:/usr/local/bin:/usr/local/sbin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/X11R6/bin
@400000003e6f6b6f10c9998c PATH=/var/qmail/bin:/command:/usr/local/bin:/usr/local/sbin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/X11R6/bin
@400000003e6f6b70128d716c PATH=/var/qmail/bin:/command:/usr/local/bin:/usr/local/sbin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/X11R6/bin
@400000003e6f6b71144ba3fc PATH=/var/qmail/bin:/command:/usr/local/bin:/usr/local/sbin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/X11R6/bin
@400000003e6f6b721611dd3c PATH=/var/qmail/bin:/command:/usr/local/bin:/usr/local/sbin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/X11R6/bin
@400000003e6f6b7317f37264 PATH=/var/qmail/bin:/command:/usr/local/bin:/usr/local/sbin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/X11R6/bin
@400000003e6f6b7419b8e46c PATH=/var/qmail/bin:/command:/usr/local/bin:/usr/local/sbin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/X11R6/bin
@400000003e6f6b751b805244 PATH=/var/qmail/bin:/command:/usr/local/bin:/usr/local/sbin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/X11R6/bin
@400000003e6f6b761d45dfa4 PATH=/var/qmail/bin:/command:/usr/local/bin:/usr/local/sbin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/X11R6/bin
@400000003e6f6b771f1b2c44 PATH=/var/qmail/bin:/command:/usr/local/bin:/usr/local/sbin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/X11R6/bin
@400000003e6f6b7820dc317c PATH=/var/qmail/bin:/command:/usr/local/bin:/usr/local/sbin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/X11R6/bin
@400000003e6f6b79228f63a4 PATH=/var/qmail/bin:/command:/usr/local/bin:/usr/local/sbin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/X11R6/bin
@400000003e6f6b7a245d789c PATH=/var/qmail/bin:/command:/usr/local/bin:/usr/local/sbin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/X11R6/bin
@400000003e6f6b7b31e07c6c status: local 0/10 remote 0/20

Que path é esse?