root@siteed:/etc/exim4/conf.d/router# cat 350-exim4-config_virtualhosts
# This router matches virtualhosts mailboxes

virtual_aliases:
	debug_print = "R: virtual_aliases for $local_part@$domain"
	driver = redirect
	domains = dsearch;/etc/exim4/virtual
	data = ${expand:${lookup{$local_part}lsearch*@{/etc/exim4/virtual/$domain.aliases}}}

virtual_hosts:
	debug_print = "R: virtual_hosts for $local_part@$domain"
	driver = redirect
	domains = dsearch;/etc/exim4/virtual
	data = ${expand:${lookup{$local_part}lsearch*@{/etc/exim4/virtual/$domain}}}
	directory_transport = virtual_delivery
	cannot_route_message = "$local_part@$domain is not a valid email address"
	no_more
root@siteed:/etc/exim4/conf.d/router#


root@siteed:/etc/exim4/conf.d/transport# cat 30_exim4-config_maildir_virtual
virtual_delivery:
	driver = appendfile
	user = courier
	maildir_format
	directory = /home/courier/$domain/$local_part
	create_directory
	delivery_date_add
	envelope_to_add
	return_path_add
	group = courier
	mode = 0660
root@siteed:/etc/exim4/conf.d/transport#

root@siteed:/etc/exim4/virtual# cat siteed.net
admin: admin@siteed.net
root@siteed:/etc/exim4/virtual#

root@siteed:/etc/exim4/virtual# cat siteed.net.aliases
test: admin@siteed.net
alias: admin@siteed.net
root@siteed:/etc/exim4/virtual#




#######################################
2010-10-06 17:23:07 H=mail-px0-f182.google.com [209.85.212.182] F=<deeeed@gmail.com> rejected RCPT <admin@siteed.net>: Unrouteable address



 5683 R: virtual_aliases for alias@siteed.net
 5683 R: virtual_aliases for admin@siteed.net
 5683 R: virtual_hosts for admin@siteed.net
 5683 R: virtual_aliases for admin@siteed.net
 5683 R: system_aliases for admin@siteed.net
 5683 LOG: MAIN REJECT
 5683   H=mail-pv0-f182.google.com [74.125.83.182] F=<deeeed@gmail.com> rejected RCPT <alias@siteed.net>: Unrouteable address
 5683 LOG: smtp_connection MAIN
 5683   SMTP connection from mail-pv0-f182.google.com [74.125.83.182] closed by QUIT
^C