RE: Mail delivery problems.

[Andrew Richards]

>I have found the following error in /var/log/maillog
>
>Unable_to_open_./Maildir:_is_a_directory._(#4.2.1) /

Most likely, your qmail startup script refers to
     ./Maildir
(which means an mbox style file called "Maildir")
instead of
     ./Maildir/
(which means a Maildir called "Maildir").

cheers,

Andrew Richards.