why i cannot receive email ?

[erwansyah]

Dear Sir/Mam     I already setup vpopmail, but cannot receive email the error is Unable_to_chdir_to_maildir._( , when i check by command tail -f /var/log/qmail/current please advice, what problem i have and how to fix this , so i can receive the emai.   For information, i come from indonesia, and i am a new comer in linux world specially qmail... so if you can help me please...tell me how to do step by step , a am also have a problem to read a How to or another help from the documentation.   thank a lot for your help   best regard, ERwan