>> >> One more thing, I have MAILDIR set to an external storage server which > > Postfix has no MAILDIR setting. >
sorry, I am talking about home_mailbox, it looks that if home_mailbox not available, the mail will go to the default mail_spool_directory. I tried to make mail_spool_directory (/var/mail) not writable, or make mail_spool_directory empty in the main.cf settings, but the mail will eventually deliver to /var/mail directory by postfix. is is there a way to make mail still hang in the queue till home_mailbox available? Thanks. tom