Настраиваю почтовый сервер на Ubuntu 16.04

Связку Postfix + Dovecot, web-интерфейсы Roundcube, PostfixAdmin

При отправке сообщения, в rcube, вот такая ошибка:
SMTP ошибка (451): Невозможно добавить получателя «test@site.com» (4.3.5 Server configuration error)

В логах maiilog

Jun 30 09:19:00 Ubuntu-1604-xenial-64-minimal postfix/smtpd[31724]: connect from localhost.localdomain[127.0.0.1] Jun 30 09:19:00 Ubuntu-1604-xenial-64-minimal postfix/trivial-rewrite[31058]: warning: connect to mysql server 127.0.0.1: Access denied for user 'postfixuser'@'127.0.0.1' (using password: YES) Jun 30 09:19:00 Ubuntu-1604-xenial-64-minimal postfix/trivial-rewrite[31058]: warning: virtual_alias_domains: mysql:/etc/postfix/sql/valias.cf: table lookup problem Jun 30 09:19:00 Ubuntu-1604-xenial-64-minimal postfix/trivial-rewrite[31058]: warning: virtual_alias_domains lookup failure Jun 30 09:19:00 Ubuntu-1604-xenial-64-minimal postfix/trivial-rewrite[31058]: warning: virtual_alias_domains: mysql:/etc/postfix/sql/valias.cf: table lookup problem Jun 30 09:19:00 Ubuntu-1604-xenial-64-minimal postfix/trivial-rewrite[31058]: warning: virtual_alias_domains lookup failure Jun 30 09:19:00 Ubuntu-1604-xenial-64-minimal postfix/smtpd[31724]: warning: unknown smtpd restriction: "????????" Jun 30 09:19:00 Ubuntu-1604-xenial-64-minimal postfix/smtpd[31724]: NOQUEUE: reject: RCPT from localhost.localdomain[127.0.0.1]: 451 4.3.5 Server configuration error; from= to= proto=ESMTP helo=

Postconf -n
spoileralias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases append_dot_mydomain = no biff = no broken_sasl_auth_clients = yes dovecot_destination_recipient_limit = 1 inet_interfaces = all inet_protocols = ipv4 mailbox_command = procmail -a "$EXTENSION" mailbox_size_limit = 0 maximal_backoff_time = 8000s maximal_queue_lifetime = 7d minimal_backoff_time = 1000s mydestination = app02.example.com, localhost.example.com,, localhost myhostname = site.ru mynetworks = 127.0.0.0/8 myorigin = /etc/mailname readme_directory = no recipient_delimiter = + relayhost = smtp_helo_timeout = 60s smtp_tls_note_starttls_offer = yes smtp_tls_security_level = may smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU) smtpd_client_restrictions = reject_rbl_client sbl.spamhaus.org, reject_rbl_client blackholes.easynet.nl smtpd_hard_error_limit = 12 smtpd_recipient_limit = 16 smtpd_recipient_restrictions = reject_unauth_pipelining, permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_recipient, reject_unknown_recipient_domain, reject_unauth_destination, permit smtpd_relay_restrictions = reject_unauth_pipelining, permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_recipient, reject_unknown_recipient_domain, reject_unauth_destination, permit smtpd_sasl_auth_enable = yes smtpd_sasl_authenticated_header = yes smtpd_sasl_exceptions_networks = $mynetworks smtpd_sasl_local_domain = smtpd_sasl_path = private/auth smtpd_sasl_security_options = noanonymous smtpd_sasl_type = dovecot smtpd_sender_restrictions = permit_sasl_authenticated, permit_mynetworks, warn_if_reject reject_non_fqdn_sender, reject_unknown_sender_domain, reject_unauth_pipelining, permit smtpd_soft_error_limit = 3 smtpd_tls_cert_file = /etc/postfix/certs/cert.pem smtpd_tls_key_file = /etc/postfix/certs/key.pem smtpd_tls_loglevel = 1 smtpd_tls_mandatory_protocols = !SSLv2,!SSLv3 smtpd_tls_received_header = yes smtpd_tls_security_level = may smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtpd_tls_session_cache_timeout = 3600s smtpd_use_tls = yes tls_random_source = dev:/dev/urandom unknown_local_recipient_reject_code = 450 virtual_alias_maps = mysql:/etc/postfix/sql/valias.cf virtual_gid_maps = static:8 virtual_mailbox_base = /var/vmail virtual_mailbox_domains = mysql:/etc/postfix/sql/vdomains.cf virtual_mailbox_maps = mysql:/etc/postfix/sql/vmailbox.cf virtual_minimum_uid = 1150 virtual_transport = dovecot virtual_uid_maps = static:1150