[Postfixbuch-users] Client host rejected: Access denied

David Obando david at cryptix.de
Di Apr 10 11:48:29 CEST 2007


Robert Felber schrieb am 10.04.2007 11:36:
> On Tue, Apr 10, 2007 at 09:31:44AM +0200, David Obando wrote:
>   
>> Guten Morgen,
>>
>> in meinen Logs fand ich folgende Einträge:
>>
>> Apr  6 12:04:14 black postfix/smtpd[5190]: connect from
>> cedis01.cedis.fu-berlin.de[160.45.168.7]
>> Apr  6 12:04:14 black postfix/smtpd[5190]: setting up TLS connection
>> from cedis01.cedis.fu-berlin.de[160.45.168.7]
>> Apr  6 12:04:14 black postfix/smtpd[5190]: TLS connection established
>> from cedis01.cedis.fu-berlin.de[160.45.168.7]: SSLv3 with cipher RC4-MD5
>> (128/128 bits)
>> Apr  6 12:04:14 black postfix/smtpd[5190]: NOQUEUE: reject: RCPT from
>> cedis01.cedis.fu-berlin.de[160.45.168.7]: 554 5.7.1
>> <cedis01.cedis.fu-berlin.de  [160.45.168.7]>: Client host rejected:
>> Access denied; from=<xxx at web.de> to=<xxx at notmail.org> proto=ESMTP
>> helo=<cedis01.cedis.fu-berlin.de>
>> Apr  6 12:04:14 black postfix/smtpd[5190]: disconnect from
>> cedis01.cedis.fu-berlin.de[160.45.168.7]
>>
>> Apr  9 17:49:39 black postfix/smtpd[5638]: connect from
>> cedis01.cedis.fu-berlin.de[160.45.168.7]
>> Apr  9 17:49:39 black postfix/smtpd[5638]: setting up TLS connection
>> from cedis01.cedis.fu-berlin.de[160.45.168.7]
>> Apr  9 17:49:39 black postfix/smtpd[5638]: TLS connection established
>> from cedis01.cedis.fu-berlin.de[160.45.168.7]: SSLv3 with cipher RC4-MD5
>> (128/128 bits)
>> Apr  9 17:49:40 black postfix/smtpd[5638]: NOQUEUE: reject: RCPT from
>> cedis01.cedis.fu-berlin.de[160.45.168.7]: 554 5.7.1
>> <cedis01.cedis.fu-berlin.de  [160.45.168.7]>: Client host rejected:
>> Access denied; from=<xxx at zedat.fu-berlin.de> to=<xxx at notmail.org>
>> proto=ESMTP helo=<cedis01.cedis.fu-berlin.de>
>> Apr  9 17:49:40 black postfix/smtpd[5638]: disconnect from
>> cedis01.cedis.fu-berlin.de[160.45.168.7]
>>
>>
>> Wieso werden diese Mails rejected? 
>>     
>
> postconf -n
> und master.cf
>
>
>   
OK, hier also:

alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
append_dot_mydomain = no
biff = no
broken_sasl_auth_clients = yes
config_directory = /etc/postfix
content_filter = smtp-amavis:[127.0.0.1]:10024
home_mailbox = Maildir/
mailbox_size_limit = 0
message_size_limit = 20480000
mydestination = $mydomain, black, $myhostname, localhost,
localhost.$mydomain
myhostname = black.cryptix.de
mynetworks = 127.0.0.0/8 10.0.0.0/24 83.137.101.96/27
myorigin = /etc/mailname
recipient_delimiter = +
smtp_tls_CAfile = /etc/ssl/certs/ca-comodo.crt
smtp_tls_cert_file = /etc/ssl/certs/mail.cryptix.de.cert
smtp_tls_key_file = /etc/ssl/private/mail.cryptix.de.key
smtp_tls_session_cache_database = btree:${queue_directory}/smtp_scache
smtp_use_tls = yes
smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
smtpd_helo_required = yes
smtpd_recipient_restrictions = permit_mynetworks,      
permit_sasl_authenticated,      check_client_access
hash:/var/lib/pop-before-smtp/hosts,       
reject_non_fqdn_hostname,     reject_non_fqdn_sender,        
reject_non_fqdn_recipient,      reject_unauth_destination,     
reject_unauth_pipelining,       reject_invalid_helo_hostname 
reject_unknown_sender_domain,   reject_unknown_recipient_domain,       
reject_rbl_client zen.spamhaus.org,     reject_rbl_client
zombie.dnsbl.sorbs.net,     reject_rbl_client list.dsbl.org,        permit
smtpd_sasl_auth_enable = yes
smtpd_sasl_authenticated_header = no
smtpd_sasl_local_domain = $myhostname
smtpd_sasl_path = private/auth
smtpd_sasl_security_options = noanonymous
smtpd_sasl_type = dovecot
smtpd_tls_CAfile = /etc/ssl/certs/ca-comodo.crt
smtpd_tls_auth_only = yes
smtpd_tls_cert_file = /etc/ssl/certs/mail.cryptix.de.cert
smtpd_tls_key_file = /etc/ssl/private/mail.cryptix.de.key
smtpd_tls_loglevel = 1
smtpd_tls_received_header = yes
smtpd_tls_session_cache_database = btree:${queue_directory}/smtpd_scache
smtpd_tls_session_cache_timeout = 3600s
smtpd_use_tls = yes
tls_random_source = dev:/dev/urandom
virtual_alias_maps = proxy:mysql:/etc/postfix/mysql_virtual_alias_maps.cf
virtual_gid_maps = static:114
virtual_mailbox_base = /home/vmail
virtual_mailbox_domains =
proxy:mysql:/etc/postfix/mysql_virtual_domains_maps.cf
virtual_mailbox_maps =
proxy:mysql:/etc/postfix/mysql_virtual_mailbox_maps.cf
virtual_minimum_uid = 115
virtual_transport = virtual
virtual_uid_maps = static:115

und master.cf:
#
# Postfix master process configuration file.  For details on the format
# of the file, see the master(5) manual page (command: "man 5 master").
#
# ==========================================================================
# service type  private unpriv  chroot  wakeup  maxproc command + args
#               (yes)   (yes)   (yes)   (never) (100)
# ==========================================================================
smtp      inet  n       -       -       -       -       smtpd
submission      inet n      -       n       -       -       smtpd
    -o smtpd_etrn_restrictions=reject
    -o smtpd_sasl_auth_enable=yes
    -o smtpd_client_restrictions=permit_sasl_authenticated,reject
    -o content_filter=smtp-amavis:[127.0.0.1]:10026
smtps     inet  n       -       n       -       -       smtpd
    -o smtpd_tls_wrappermode=yes
    -o smtpd_sasl_auth_enable=yes
    -o smtpd_client_restrictions=permit_sasl_authenticated,reject
    -o content_filter=smtp-amavis:[127.0.0.1]:10026
#628      inet  n       -       -       -       -       qmqpd
pickup    fifo  n       -       -       60      1       pickup
    -o content_filter=
cleanup   unix  n       -       -       -       0       cleanup
qmgr      fifo  n       -       n       300     1       qmgr
#qmgr     fifo  n       -       -       300     1       oqmgr
tlsmgr    unix  -       -       -       1000?   1       tlsmgr
rewrite   unix  -       -       -       -       -       trivial-rewrite
bounce    unix  -       -       -       -       0       bounce
defer     unix  -       -       -       -       0       bounce
trace     unix  -       -       -       -       0       bounce
verify    unix  -       -       -       -       1       verify
flush     unix  n       -       -       1000?   0       flush
proxymap  unix  -       -       n       -       -       proxymap
smtp      unix  -       -       -       -       -       smtp
# When relaying mail as backup MX, disable fallback_relay to avoid MX loops
relay     unix  -       -       -       -       -       smtp
        -o fallback_relay=
#       -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
showq     unix  n       -       -       -       -       showq
error     unix  -       -       -       -       -       error
discard   unix  -       -       -       -       -       discard
local     unix  -       n       n       -       -       local
virtual   unix  -       n       n       -       -       virtual
lmtp      unix  -       -       -       -       -       lmtp
anvil     unix  -       -       -       -       1       anvil
scache    unix  -       -       -       -       1       scache
#
# ====================================================================
# Interfaces to non-Postfix software. Be sure to examine the manual
# pages of the non-Postfix software to find out what options it wants.
#
# Many of the following services use the Postfix pipe(8) delivery
# agent.  See the pipe(8) man page for information about ${recipient}
# and other message envelope options.
# ====================================================================
#
# maildrop. See the Postfix MAILDROP_README file for details.
# Also specify in main.cf: maildrop_destination_recipient_limit=1
#
maildrop  unix  -       n       n       -       -       pipe
  flags=DRhu user=vmail argv=/usr/bin/maildrop -d ${recipient}
#
# See the Postfix UUCP_README file for configuration details.
#
uucp      unix  -       n       n       -       -       pipe
  flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail
($recipient)
# Vacation
vacation    unix  -       n       n       -       -       pipe
  flags=Rq user=vacation argv=/var/spool/vacation/vacation.pl -f
${sender} -- ${recipient}
#
# Other external delivery methods.
#
ifmail    unix  -       n       n       -       -       pipe
  flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
bsmtp     unix  -       n       n       -       -       pipe
  flags=Fq. user=bsmtp argv=/usr/lib/bsmtp/bsmtp -t$nexthop -f$sender
$recipient
scalemail-backend unix  -       n       n       -       2       pipe
  flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store
${nexthop} ${user} ${extension}
mailman   unix  -       n       n       -       -       pipe
  flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py
  ${nexthop} ${user}
smtp-amavis unix -      -       n     -       -   smtp
    -o smtp_data_done_timeout=1200
    -o smtp_send_xforward_command=yes
    -o disable_dns_lookups=yes
    -o max_use=20

127.0.0.1:10025 inet n  -       n     -       -  smtpd
    -o content_filter=
    -o local_recipient_maps=
    -o relay_recipient_maps=
    -o smtpd_restriction_classes=
    -o smtpd_delay_reject=no
    -o smtpd_client_restrictions=permit_mynetworks,reject
    -o smtpd_helo_restrictions=
    -o smtpd_sender_restrictions=
    -o smtpd_recipient_restrictions=permit_mynetworks,reject
    -o smtpd_data_restrictions=reject_unauth_pipelining
    -o smtpd_end_of_data_restrictions=
    -o mynetworks=127.0.0.0/8
    -o smtpd_error_sleep_time=0
    -o smtpd_soft_error_limit=1001
    -o smtpd_hard_error_limit=1000
    -o smtpd_client_connection_count_limit=0
    -o smtpd_client_connection_rate_limit=0
    -o
receive_override_options=no_header_body_checks,no_unknown_recipient_checks,no_address_mappings


Grüße,
David

-- 
The day microsoft makes something that doesn't suck is the day they start making vacuum cleaners.
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