[Postfixbuch-users] Spam über www-data

[Online-WebService24 - Postfix]

hallo liste,
 
ich habe mal ne frage, mein server versendet über www-data spammails ...
kann ich das unterbinden ???
wie bekomm ich raus, wie die das machen ???
 
über ne antwort wäre ich froh ...
 
mfg
 
srv1:~# postconf -n
alias_database = hash:/etc/aliases
alias_maps = $alias_database
biff = no
bounce_size_limit = 51200000
broken_sasl_auth_clients = yes
command_directory = /usr/sbin
config_directory = /etc/postfix
content_filter = smtp-amavis:[127.0.0.1]:10024
daemon_directory = /usr/lib/postfix
default_destination_concurrency_limit = 20
delay_warning_time = 4h
disable_vrfy_command = yes
header_checks = pcre:/etc/postfix/header_checks.pcre
local_destination_concurrency_limit = 2
local_destination_recipient_limit = 1
local_recipient_maps = unix:passwd.byname $alias_database
local_transport = local
mail_spool_directory = /var/mail
mailbox_command = procmail -a "$EXTENSION"
mailbox_size_limit = 153800000
message_size_limit = 51200000
mydomain = srv1.online-webservice24.de
mynetworks = 127.0.0.1 , 85.88.6.105
mynetworks_style = host
sendmail_path = /usr/sbin/sendmail
smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
smtpd_client_restrictions =
smtpd_helo_required = yes
smtpd_helo_restrictions =
smtpd_recipient_restrictions = permit_mynetworks,
reject_unlisted_recipient,    reject_unknown_sender_domain,
reject_unknown_recipient_domain,    reject_non_fqdn_recipient,
permit_sasl_authenticated,    permit_mynetworks,
reject_unauth_destination,    check_recipient_access
hash:/etc/postfix/recipient_checks,    reject_invalid_hostname,
reject_unauth_pipelining,    reject_non_fqdn_hostname,
check_sender_mx_access cidr:/etc/postfix/bogus_mx,    check_policy_service
inet:127.0.0.1:60000,    permit
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain = online-webservice24.de #vhcs.net
smtpd_sasl_security_options = noanonymous
smtpd_sender_restrictions =
strict_rfc821_envelopes = yes
unknown_local_recipient_reject_code = 554
virtual_alias_maps = mysql:/etc/postfix/mysql-virtual_alias_maps.cf
virtual_gid_maps = static:2000
virtual_mailbox_base = /var/kunden/mail/
virtual_mailbox_domains =
mysql:/etc/postfix/mysql-virtual_mailbox_domains.cf
virtual_mailbox_maps = mysql:/etc/postfix/mysql-virtual_mailbox_maps.cf
virtual_uid_maps = static:2000

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