mir ist neulich aufgefallen, daß Mails an nicht existente Domains nicht etwa abgewiesen werden, sondern komischerweise die IP meines Webservers als MX bekommen.
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4F9FC113820 784 Thu Apr 19 14:34:05 root@mail.domain.de
(connect to kjhslfkgjsdhflgkdjhg.de[85.214.97.x]: Connection refused)
info@kjhslfkgjsdhflgkdjhg.dePostconf
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alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
append_dot_mydomain = no
biff = no
body_checks = regexp:/etc/postfix/maps/body_checks
bounce_size_limit = 10000
broken_sasl_auth_clients = yes
canonical_maps = hash:/etc/postfix/maps/canonical
command_directory = /usr/sbin
config_directory = /etc/postfix
content_filter = smtp-amavis:[127.0.0.1]:10024
daemon_directory = /usr/lib/postfix
disable_vrfy_command = yes
header_checks = regexp:/etc/postfix/maps/header_checks
mailbox_size_limit = 0
mailbox_transport = lmtp:unix:/var/run/cyrus/socket/lmtp
maps_rbl_domains = relays.ordb.org, list.dsbl.org
message_size_limit = 20048000
mydestination = mail.domain.de, localdomain, localhost
mydomain = domain.de
myhostname = mail.domain.de
mynetworks = 127.0.0.0/8, 85.214.24.x
queue_minfree = 80480000
recipient_delimiter = +
relocated_maps = hash:/etc/postfix/maps/relocated
setgid_group = postdrop
smtp_enforce_tls = no
smtp_sasl_security_options =
smtp_tls_note_starttls_offer = yes
smtp_use_tls = no
smtpd_banner = Mailserver ESMTP $mail_name on Debian
smtpd_enforce_tls = no
smtpd_etrn_restrictions = reject
smtpd_helo_required = yes
smtpd_recipient_limit = 70
smtpd_recipient_restrictions = permit_sasl_authenticated,
permit_mynetworks,
reject_invalid_hostname,
reject_non_fqdn_sender,
reject_non_fqdn_recipient,
reject_unknown_sender_domain,
reject_unknown_recipient_domain,
reject_unauth_pipelining,
check_helo_access hash:/etc/postfix/maps/helo_checks,
check_sender_access hash:/etc/postfix/maps/sender_checks,
check_client_access hash:/etc/postfix/maps/client_checks,
check_policy_service inet:127.0.0.1:60000,
reject_unauth_destination
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain =
smtpd_sasl_security_options = noanonymous
smtpd_tls_received_header = yes
smtpd_tls_session_cache_timeout = 3600s
smtpd_use_tls = no
tls_random_source = dev:/dev/urandomHilfe :-)
flo.