Feb 11 05:45:07 htz postfix/sendmail[6465]: fatal: User web6(5006) is not allowed to submit mail
Feb 11 05:45:56 htz postfix/sendmail[6466]: fatal: User web21(5012) is not allowed to submit mail
Feb 11 05:54:24 htz postfix/sendmail[6605]: fatal: User web21(5012) is not allowed to submit mail
Feb 11 05:54:39 htz postfix/sendmail[6607]: fatal: User web21(5012) is not allowed to submit mail
Feb 11 05:54:54 htz postfix/sendmail[6608]: fatal: User web21(5012) is not allowed to submit mail
Feb 11 05:55:09 htz postfix/sendmail[6666]: fatal: User web21(5012) is not allowed to submit mail
Feb 11 21:50:34 htz postfix/sendmail[28194]: fatal: User web21(5012) is not allowed to submit mail
Feb 12 08:18:32 htz postfix/sendmail[4643]: fatal: User web6(5006) is not allowed to submit mail

# See /usr/share/postfix/main.cf.dist for a commented, more complete version
#queue_directory = /var/spool/postfix
authorized_submit_users = root, !static:all
# Debian specific:  Specifying a file name will cause the first
# line of that file to be used as the name.  The Debian default
# is /etc/mailname.
#myorigin = /etc/mailname

smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
biff = no

# appending .domain is the MUA's job.
append_dot_mydomain = no

# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h

readme_directory = /usr/share/doc/postfix

# TLS parameters
smtpd_tls_cert_file = /etc/postfix/smtpd.cert
smtpd_tls_key_file = /etc/postfix/smtpd.key
smtpd_use_tls = yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
# information on enabling SSL in the smtp client.

myhostname = htz.halqe.com
alias_maps = hash:/etc/aliases, hash:/var/lib/mailman/data/aliases
alias_database = hash:/etc/aliases, hash:/var/lib/mailman/data/aliases
myorigin = /etc/mailname
mydestination = localhost, localhost.localdomain
mynetworks = 127.0.0.0/8 [::1]/128
mailbox_command = procmail -a "$EXTENSION"
mailbox_size_limit = 0
recipient_delimiter = +
html_directory = /usr/share/doc/postfix/html
virtual_alias_domains =
virtual_mailbox_maps = proxy:mysql:/etc/postfix/mysql-virtual_mailboxes.cf
virtual_mailbox_base = /var/vmail
virtual_uid_maps = static:5000
virtual_gid_maps = static:5000
inet_protocols = all
smtpd_sasl_auth_enable = yes
broken_sasl_auth_clients = yes
smtpd_sasl_authenticated_header = yes
smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, check_recipient_access mysql:/etc/postfix/mysql-virtual_recipient.cf, reject_unauth_destin$
#smtpd_recipient_restrictions = permit_sasl_authenticated permit_mynetworks reject_unauth_destination
smtpd_tls_security_level = may
transport_maps = hash:/var/lib/mailman/data/transport-mailman, proxy:mysql:/etc/postfix/mysql-virtual_transports.cf
relay_domains = mysql:/etc/postfix/mysql-virtual_relaydomains.cf
relay_recipient_maps = mysql:/etc/postfix/mysql-virtual_relayrecipientmaps.cf
proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $
smtpd_sender_restrictions = check_sender_access mysql:/etc/postfix/mysql-virtual_sender.cf
#smtpd_sender_restrictions = reject_unknown_sender_domain
smtpd_client_restrictions = check_client_access mysql:/etc/postfix/mysql-virtual_client.cf
smtpd_client_message_rate_limit = 100
maildrop_destination_concurrency_limit = 1
maildrop_destination_recipient_limit = 1
virtual_transport = dovecot
header_checks = regexp:/etc/postfix/header_checks
mime_header_checks = regexp:/etc/postfix/mime_header_checks
nested_header_checks = regexp:/etc/postfix/nested_header_checks
body_checks = regexp:/etc/postfix/body_checks
owner_request_special = no
#dovecot_destination_recipient_limit = 1
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
#content_filter = amavis:[127.0.0.1]:10024
#receive_override_options = no_address_mappings
message_size_limit = 0
debug_peer_level = 10
minimal_backoff_time = 1000s

Sep  5 08:36:01 sysresccd postfix/sendmail[23946]: fatal: User root(0) is not allowed to submit mail