Не могу найти в чем ошибся.

Не отправляется, вылетают таймауты

в логах ничего такого

warning: do not list domain site.ru in BOTH mydestination and virtual_mailbox_domains
и
postfix/smtp[7351]: E776119E0D8A: to=<postmaster@change-this-to-your.domain.tld>, orig_to=<postmaster>, relay=none, delay=0.09, delays=0.08/0.01/0/0, dsn=5.4.4, status=bounced (Host or domain name not found. Name service error for name=change-this-to-your.domain.tld type=A: Host not found)

Postconf -n

alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
dovecot_destination_recipient_limit = 1
inet_interfaces = all
inet_protocols = ipv4
local_recipient_maps = $alias_maps
message_size_limit = 31457280
mydestination = site.ru, site2.ru
mydomain = site.ru
myhostname = mail.site.ru
mynetworks =
myorigin = site.ru
notify_classes = resource, software, protocol, policy
relay_domains = proxy:mysql:/etc/postfix/sql/backup_domains.cf
smtp_tls_loglevel = 2
smtpd_client_restrictions = 
            permit_mynetworks, 
            permit_sasl_authenticated,
            reject_unknown_client_hostname
smtpd_helo_required = yes
smtpd_helo_restrictions = 
            permit_mynetworks, 
            permit_sasl_authenticated, 
            reject_invalid_helo_hostname, 
            reject_non_fqdn_helo_hostname, 
            reject_unknown_helo_hostname
smtpd_recipient_restrictions = 
            reject_non_fqdn_recipient, 
            reject_unknown_recipient_domain, 
            check_recipient_access proxy:mysql:/etc/postfix/sql/mailbox_limit.cf, 
            permit_mynetworks, 
            permit_sasl_authenticated, 
            reject_unauth_destination, 
            reject_unlisted_recipient
smtpd_sasl_auth_enable = yes
smtpd_sasl_path = private/auth
smtpd_sasl_type = dovecot
smtpd_sender_restrictions = 
            reject_non_fqdn_sender, 
            reject_unknown_sender_domain, 
            permit_mynetworks, 
            permit_sasl_authenticated
smtpd_tls_cert_file = /etc/ssl/cert.pem
smtpd_tls_key_file = /etc/ssl/key.pem
smtpd_tls_loglevel = 2
smtpd_tls_received_header = yes
smtpd_use_tls = yes
virtual_alias_maps = 
            mysql:/etc/postfix/sql/alias.cf, 
            mysql:/etc/postfix/sql/alias_domain.cf, 
            mysql:/etc/postfix/sql/alias_domain_catchall.cf
virtual_gid_maps = static:1200
virtual_mailbox_base = /var/vmail
virtual_mailbox_domains = proxy:mysql:/etc/postfix/sql/domains.cf
virtual_mailbox_maps = 
            mysql:/etc/postfix/sql/mailbox.cf, 
            mysql:/etc/postfix/sql/alias_domain_mailbox.cf
virtual_minimum_uid = 1200
virtual_transport = dovecot
virtual_uid_maps = static:1200

Doveconf -n

# 2.2.22 (fe789d2): /etc/dovecot/dovecot.conf
# Pigeonhole version 0.4.13 (7b14904)
# OS: Linux 4.4.0-47-generic x86_64 Ubuntu 16.04.1 LTS ext4
auth_debug = yes
auth_mechanisms = plain login
auth_verbose = yes
auth_verbose_passwords = yes
disable_plaintext_auth = no
first_valid_gid = 1200
first_valid_uid = 1200
last_valid_gid = 1200
last_valid_uid = 1200
listen = *
log_timestamp = "%Y-%m-%d %H:%M:%S "
mail_debug = yes
mail_gid = vmail
mail_home = /var/vmail/%Ld/%Ln
mail_location = maildir:/var/vmail/%Ld/%Ln
mail_uid = vmail
namespace inbox {
  inbox = yes
  location =
  mailbox Drafts {
    special_use = \Drafts
  }
  mailbox Junk {
    special_use = \Junk
  }
  mailbox Sent {
    special_use = \Sent
  }
  mailbox "Sent Messages" {
    special_use = \Sent
  }
  mailbox Trash {
    special_use = \Trash
  }
  prefix =
}
passdb {
  args = /etc/dovecot/dovecot-mysql.conf
  driver = sql
}
protocols = " imap lmtp pop3"
service auth {
  unix_listener /var/spool/postfix/private/auth {
    group = postfix
    mode = 0600
    user = postfix
  }
}
service imap-login {
  inet_listener imap {
    port = 143
  }
}
service pop3-login {
  inet_listener pop3 {
    port = 110
  }
}
ssl_cert = </etc/ssl/cert.pem
ssl_key = </etc/ssl/key.pem
userdb {
  args = /etc/dovecot/dovecot-mysql.conf
  driver = sql
}

/etc/postfix/master.cf

#
# Postfix master process configuration file.  For details on the format
# of the file, see the master(5) manual page (command: "man 5 master" or
# on-line: http://www.postfix.org/master.5.html).
#
# Do not forget to execute "postfix reload" after editing this file.
#
# ==========================================================================
# service type  private unpriv  chroot  wakeup  maxproc command + args
#               (yes)   (yes)   (no)    (never) (100)
# ==========================================================================
smtp      inet  n       -       y       -       -       smtpd
#smtp      inet  n       -       y       -       1       postscreen
#smtpd     pass  -       -       y       -       -       smtpd
#dnsblog   unix  -       -       y       -       0       dnsblog
#tlsproxy  unix  -       -       y       -       0       tlsproxy
#submission inet n       -       y       -       -       smtpd
#  -o syslog_name=postfix/submission
#  -o smtpd_tls_security_level=encrypt
#  -o smtpd_sasl_auth_enable=yes
#  -o smtpd_reject_unlisted_recipient=no
#  -o smtpd_client_restrictions=$mua_client_restrictions
#  -o smtpd_helo_restrictions=$mua_helo_restrictions
#  -o smtpd_sender_restrictions=$mua_sender_restrictions
#  -o smtpd_recipient_restrictions=
#  -o smtpd_relay_restrictions=permit_sasl_authenticated,reject
#  -o milter_macro_daemon_name=ORIGINATING
smtps     inet  n       -       y       -       -       smtpd
#  -o syslog_name=postfix/smtps
#  -o smtpd_tls_wrappermode=yes
#  -o smtpd_sasl_auth_enable=yes
#  -o smtpd_reject_unlisted_recipient=no
#  -o smtpd_client_restrictions=$mua_client_restrictions
#  -o smtpd_helo_restrictions=$mua_helo_restrictions
#  -o smtpd_sender_restrictions=$mua_sender_restrictions
#  -o smtpd_recipient_restrictions=
#  -o smtpd_relay_restrictions=permit_sasl_authenticated,reject
#  -o milter_macro_daemon_name=ORIGINATING
#628       inet  n       -       y       -       -       qmqpd
pickup    unix  n       -       y       60      1       pickup
cleanup   unix  n       -       y       -       0       cleanup
qmgr      unix  n       -       n       300     1       qmgr
#qmgr     unix  n       -       n       300     1       oqmgr
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
#       -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
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
#
# ====================================================================
# Interfaces to non-Postfix software. Be sure to examine the manual
# pages of the non-Postfix software to find out what options it wants.
#
# Many of the following services use the Postfix pipe(8) delivery
# agent.  See the pipe(8) man page for information about ${recipient}
# and other message envelope options.
# ====================================================================
#
# maildrop. See the Postfix MAILDROP_README file for details.
# Also specify in main.cf: maildrop_destination_recipient_limit=1
#
maildrop  unix  -       n       n       -       -       pipe
  flags=DRhu user=vmail argv=/usr/bin/maildrop -d ${recipient}
#
# ====================================================================
#
# Recent Cyrus versions can use the existing "lmtp" master.cf entry.
#
# Specify in cyrus.conf:
#   lmtp    cmd="lmtpd -a" listen="localhost:lmtp" proto=tcp4
#
# Specify in main.cf one or more of the following:
#  mailbox_transport = lmtp:inet:localhost
#  virtual_transport = lmtp:inet:localhost
#
# ====================================================================
#
# Cyrus 2.1.5 (Amos Gouaux)
# Also specify in main.cf: cyrus_destination_recipient_limit=1
#
#cyrus     unix  -       n       n       -       -       pipe
#  user=cyrus argv=/cyrus/bin/deliver -e -r ${sender} -m ${extension} ${user}
#
# ====================================================================
# Old example of delivery via Cyrus.
#
#old-cyrus unix  -       n       n       -       -       pipe
#  flags=R user=cyrus argv=/cyrus/bin/deliver -e -m ${extension} ${user}
#
# ====================================================================
#
# See the Postfix UUCP_README file for configuration details.
#
uucp      unix  -       n       n       -       -       pipe
  flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
#
# Other external delivery methods.
#
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}
dovecot   unix  -       n       n       -       -       pipe
  flags=DRhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -f ${sender} -d ${recipient}