Nov  2 10:56:59 fungwanreborn postfix/smtpd[1352]: connect from localhost[127.0.0.1]
Nov  2 10:57:46 fungwanreborn postfix/proxymap[1646]: warning: mysql query failed: MySQL server has gone away
Nov  2 10:57:46 fungwanreborn postfix/trivial-rewrite[1645]: warning: virtual_alias_domains: proxy:mysql:/etc/postfix/virtual_alias_domains.cf: table lookup problem
Nov  2 10:57:46 fungwanreborn postfix/trivial-rewrite[1645]: warning: virtual_alias_domains lookup failure
Nov  2 10:57:46 fungwanreborn postfix/smtpd[1352]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 451 4.3.0 <test@fungwanreborn.com>: Temporary lookup failure; from=<test@testmail.org> to=<test@fungwanreborn.com> proto=SMTP helo=<testmail.org>


root@fungwanreborn:~# postconf -nf
broken_sasl_auth_clients = yes
local_recipient_maps = $virtual_mailbox_maps
local_transport = virtual
mydestination = localhost.$mydomain, localhost, localhost.localdomain
relay_domains = $mydestination
smtp_tls_loglevel = 1
smtp_tls_security_level = may
smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated,
    reject_unauth_destination
smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated,
    reject_unauth_destination
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain = $mydomain
smtpd_sasl_path = /var/run/dovecot/auth-client
smtpd_sasl_security_options = noanonymous
smtpd_sasl_tls_security_options = $smtpd_sasl_security_options
smtpd_sasl_type = dovecot
smtpd_tls_auth_only = yes
smtpd_tls_cert_file = /etc/ssl/private/vmail.crt
smtpd_tls_key_file = /etc/ssl/private/vmail.key
smtpd_tls_loglevel = 1
smtpd_tls_received_header = yes
smtpd_tls_security_level = may
transport_maps = hash:/etc/postfix/transport
virtual_alias_domains = proxy:mysql:/etc/postfix/virtual_alias_domains.cf
virtual_alias_maps =
    proxy:mysql:/etc/postfix/virtual_alias_maps.cf,proxy:mysql:/etc/postfix/virtual_alias_domains_maps.cf
virtual_gid_maps = static:5000
virtual_mailbox_base = /var/mail/vmail
virtual_mailbox_domains = proxy:mysql:/etc/postfix/virtual_mailbox_domains.cf
virtual_mailbox_limit = 512000000
virtual_mailbox_maps = proxy:mysql:/etc/postfix/virtual_mailbox_maps.cf
virtual_minimum_uid = 5000
virtual_transport = virtual
virtual_uid_maps = static:5000

root@fungwanreborn:~# postconf -Mf
smtp       inet  n       -       y       -       -       smtpd
smtps      inet  n       -       n       -       -       smtpd
    -o syslog_name=postfix/smtps
    -o smtpd_sasl_auth_enable=yes
    -o smtpd_reject_unlisted_recipient=no
    -o smtpd_tls_wrappermode=yes
    -o smtpd_recipient_restrictions=
    -o smtpd_relay_restrictions=permit_sasl_authenticated,reject
    -o milter_macro_daemon_name=ORIGINATING
    -o smtpd_sasl_type=dovecot
    -o smtpd_sasl_path=private/auth
pickup     unix  n       -       y       60      1       pickup
cleanup    unix  n       -       y       -       0       cleanup
qmgr       unix  n       -       n       300     1       qmgr
tlsmgr     unix  -       -       y       1000?   1       tlsmgr
rewrite    unix  -       -       y       -       -       trivial-rewrite
bounce     unix  -       -       y       -       0       bounce
defer      unix  -       -       y       -       0       bounce
trace      unix  -       -       y       -       0       bounce
verify     unix  -       -       y       -       1       verify
flush      unix  n       -       y       1000?   0       flush
proxymap   unix  -       -       n       -       -       proxymap
proxywrite unix  -       -       n       -       1       proxymap
smtp       unix  -       -       y       -       -       smtp
relay      unix  -       -       y       -       -       smtp
showq      unix  n       -       y       -       -       showq
error      unix  -       -       y       -       -       error
retry      unix  -       -       y       -       -       error
discard    unix  -       -       y       -       -       discard
local      unix  -       n       n       -       -       local
virtual    unix  -       n       n       -       -       virtual
lmtp       unix  -       -       y       -       -       lmtp
anvil      unix  -       -       y       -       1       anvil
scache     unix  -       -       y       -       1       scache
maildrop   unix  -       n       n       -       -       pipe flags=DRhu
    user=vmail argv=/usr/bin/maildrop -d ${recipient}
uucp       unix  -       n       n       -       -       pipe flags=Fqhu
    user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
ifmail     unix  -       n       n       -       -       pipe flags=F user=ftn
    argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
bsmtp      unix  -       n       n       -       -       pipe flags=Fq.
    user=bsmtp argv=/usr/lib/bsmtp/bsmtp -t$nexthop -f$sender $recipient
scalemail-backend unix - n       n       -       2       pipe flags=R
    user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store ${nexthop}
    ${user} ${extension}
mailman    unix  -       n       n       -       -       pipe flags=FR
    user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py ${nexthop}
    ${user}