--- /etc/exim.conf.orig 2008-08-22 14:31:13.000000000 -0600
+++ /etc/exim.conf      2008-08-22 16:38:34.479800272 -0600
@@ -608,9 +608,10 @@
   allow_filter
   no_check_local_user
   condition = "${if exists{/etc/virtual/${domain}/filter}{yes}{no}}"
-  user = "mail"
+  user = "${lookup{$domain}lsearch{/etc/virtual/domainowners}{$value}}"
+  group = "mail"
   file = /etc/virtual/${domain}/filter
-  file_transport = address_file
+  directory_transport = address_file
   pipe_transport = virtual_address_pipe
   retry_use_local_part
   no_verify
@@ -770,7 +771,10 @@
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = /var/mail/$local_part
+  directory = /home/$local_part/Maildir/
+  directory_mode = 770
+  create_directory = true
+  maildir_format
   group = mail
   mode = 0660
   return_path_add
@@ -782,9 +786,10 @@
   driver = appendfile
   create_directory
   delivery_date_add
-  directory_mode = 700
+  directory_mode = 770
   envelope_to_add
-  file = /var/spool/virtual/${domain}/${local_part}
+  directory = /home/${lookup{$domain}lsearch*{/etc/virtual/domainowners}{$value}}/imap/${domain}/${local_part}/Maildir
+  maildir_format
   group = mail
   mode = 660
   return_path_add