Problemas com dominios virtuais no postfix+mysql (servidor de email)

O meu main.cf está assim:

#======== CONFIGURAÇÕES ===============
queue_directory = /var/spool/postfix/
program_directory=/usr/sbin
command_directory = /usr/sbin
daemon_directory = /usr/libexec/postfix
mail_owner = postfix
default_privs=nobody
default_transport=smtp
alias_maps=hash:/etc/postfix/aliases
alias_database=hash:/etc/postfix/aliases
readme_directory = no
sample_directory = /etc/postfix
sendmail_path = /usr/sbin/sendmail
setgid_group = postdrop
manpage_directory = /usr/local/man
newaliases_path = /usr/bin/newaliases
mailq_path = /usr/bin/mailq
smtpd_banner=$myhostname ESMTP "Version not Available"
disable_vrfy_command=yes
home_mailbox=Maildir/

# ========== NOME DO DOMÍNIO ===========
myhostname=maiu.teclinux.net
mydomain=teclinux.net
myorigin= $mydomain
mydestination= $mydomain, $transport_maps

#=====REDES p/ Relay======
# 192.168.0.0/24=MINHA REDE
#
mynetworks=127.0.0.0/8 192.168.1.0/24

#======== MYSQL ==============
virtual_alias_maps = mysql:/etc/postfix/mysql_virtual_alias_maps.cf
virtual_mailbox_base = /postfix
virtual_mailbox_maps = mysql:/etc/postfix/mysql_virtual_mailbox_maps.cf
virtual_uid_maps = static:108
virtual_gid_maps = static:108
transport_maps = mysql:/etc/postfix/mysql_transport_maps.cf

#======= Quota ============
virtual_mailbox_limit_inbox = no
virtual_mailbox_limit_maps= mysql:/etc/postfix/mysql_virtual_mailbox_limit_maps.cf
virtual_mailbox_limit_override = yes
virtual_maildir_extended = yes
virtual_create_maildirsize = yes
virtual_mailbox_limit = 100000000
virtual_maildir_limit_message = Sorry, the user's maildir has overdrawn his diskspace quota, please try again later.
virtual_overquota_bounce = yes

#====== SASL ================
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous
broken_sasl_auth_clients = yes
smtpd_recipient_restrictions =
permit_sasl_authenticated,
permit_mynetworks,
check_relay_domains

# =======MAILDROP ==========
fallback_transport = maildrop
maildrop_destination_recipient_limit = 1
unknown_local_recipient_reject_code = 450
#
#
coammand_time_limit = 1h

Tem algo errado?