[Postfixbuch-users] Ablehnung mit 450

[Philipp Noebauer]

/etc/postfix/main.cf

# Default Settings
soft_bounce = no
inet_interfaces = 192.168.0.2, 127.0.0.1 inet_protocols = ipv4 mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain unknown_local_recipient_reject_code = 550 mynetworks = 127.0.0.1, 192.168.0.0/24, 176.9.117.172, 66.212.228.251 smtpd_banner = $myhostname ESMTP debug_peer_level = 2 debugger_command =
         PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin
         ddd $daemon_directory/$process_name $process_id & sleep 5 bounce_template_file = /etc/postfix/bounce.de-DE.cf

# Limits & Timer
in_flow_delay = 1s
local_destination_concurrency_limit = 2
default_destination_concurrency_limit = 20 message_size_limit = 262144000 mailbox_size_limit = 0 queue_run_delay = 300s minimal_backoff_time = 300s maximal_backoff_time = 1800s delay_warning_time = 4h maximal_queue_lifetime = 5d

# Host & Domain Settings
myhostname = mail.xxx.de
mydomain = mail.xxx.de
myorigin = xxx.de

# User Settings
mail_owner = postfix
default_privs = nobody
setgid_group = postdrop
relay_domains = $mydestination, mysql:/etc/postfix/relay.cf

# Directory Settings
queue_directory = /var/spool/postfix
command_directory = /usr/sbin
daemon_directory = /usr/libexec/postfix
data_directory = /var/lib/postfix
sendmail_path = /usr/sbin/sendmail
newaliases_path = /usr/bin/newaliases
mailq_path = /usr/bin/mailq
html_directory = no
manpage_directory = /usr/local/man
sample_directory = /etc/postfix
readme_directory = no

# Mailbox Transport Settings
mailbox_transport = lmtp:unix:/var/imap/socket/lmtp

# Database Settings
alias_maps = hash:/etc/postfix/aliases
alias_database = hash:/etc/postfix/aliases local_recipient_maps = hash:/etc/postfix/local_recipient relay_recipient_maps = mysql:/etc/postfix/relay_recipient.cf
smtpd_sender_login_maps = mysql:/etc/postfix/sender.cf transport_maps = mysql:/etc/postfix/transport.cf

# SASL Settings
smtp_sasl_auth_enable = no
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous broken_sasl_auth_clients = yes smtpd_tls_auth_only = no smtpd_sasl_local_domain = mail.riebe-gmbh.de

# TLS Settings
smtp_use_tls = yes
smtpd_use_tls = yes
smtpd_tls_cert_file = /etc/ssl/mail.riebe-gmbh.de.crt smtpd_tls_key_file = /etc/ssl/mail.riebe-gmbh.de.key smtpd_tls_CAfile = /etc/ssl/class1.server.ca.pem

# Anti Spam Settings
header_checks = regexp:/etc/postfix/header_checks

# Restriction Settings
smtpd_sender_restrictions =
    check_sender_access hash:/etc/postfix/sender_checks

smtpd_recipient_restrictions =
    permit_tls_clientcerts,
    reject_authenticated_sender_login_mismatch,
    permit_sasl_authenticated,
    permit_mynetworks,
    reject_unauth_destination,
    reject_invalid_hostname,
    reject_non_fqdn_hostname,
    reject_non_fqdn_sender,
    reject_non_fqdn_recipient,
    reject_unknown_client,
    reject_unknown_hostname,
    reject_unknown_sender_domain,
    reject_unknown_recipient_domain,
    reject_unauth_pipelining,
    check_policy_service inet:127.0.0.1:10024,
    reject_rbl_client zen.spamhaus.org

/var/log/maillog

Aug 31 15:52:41 linux postfix/smtpd[16856]: connect from unknown[108.61.60.18] Aug 31 15:52:42 linux postfix/smtpd[16856]: NOQUEUE: reject: RCPT from unknown[108.61.60.18]: 450 4.7.1 Client host rejected: cannot find your hostname, [108.61.60.18]; from=<root at constant.com> to=<xxx at xxx.de> proto=ESMTP helo=<ID12024.constant.com>

Die IP addresse hat keinen ptr, warum wird die Email nicht dauerhaft abgelehnt?

Philipp