Moin Moin.
Folgendes. Monatelang lief mein Mailserver Problemlos. Seit 2 Tagen bekomm ich&sender bei Bestimmen Emails (Beim Versenden und Empfangen):
Mein Postfix confi:
Der Fehler kommt aber nicht immer vor. Vorallem Egal ob versenden oder Empfangen..evtl ein DNS Problem?
Evtl. hat jmd von euch eine Spontane Idee :\
Gruß pk-dragon
Folgendes. Monatelang lief mein Mailserver Problemlos. Seit 2 Tagen bekomm ich&sender bei Bestimmen Emails (Beim Versenden und Empfangen):
Code:
Jun 4 13:01:46 XXX postfix/smtpd[15413]: NOQUEUE: reject: RCPT from unknown[XX.XXX.XX.XX]: 450 4.7.1 Client host rejected: cannot find your hostname, [XX.XXX.XX.XX]; from=<XXX@googlemail.com> to=<xxxx@xxxx.de> proto=ESMTP helo=<mail-ww0-f54.google.com>
Mein Postfix confi:
Code:
# Postfix programs paths settings
command_directory = /usr/sbin
daemon_directory = /usr/lib/postfix
program_directory = /usr/lib/postfix
sendmail_path = /usr/sbin/sendmail
## General Postfix configuration
# should be the default domain from your provider eg. "server100.provider.tld"
mydomain = xxx.xxx.de
# should be different from $mydomain eg. "mail.$mydomain"
myhostname = mail.$mydomain
mydestination = $myhostname,
$mydomain,
localhost.$myhostname,
localhost.$mydomain,
localhost
mynetworks = 127.0.0.0/8
inet_interfaces = all
append_dot_mydomain = no
biff = no
# Postfix performance settings
default_destination_concurrency_limit = 20
local_destination_concurrency_limit = 2
# SMTPD Settings
smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
smtpd_helo_required = yes
smtpd_recipient_restrictions = permit_mynetworks,
permit_sasl_authenticated,
reject_unauth_destination,
reject_unauth_pipelining,
reject_non_fqdn_recipient
smtpd_sender_restrictions = permit_mynetworks,
permit_sasl_authenticated,
reject_unknown_hostname,
reject_unknown_recipient_domain,
reject_unknown_sender_domain
smtpd_client_restrictions = permit_mynetworks,
permit_sasl_authenticated,
reject_unknown_client
# Maximum size of Message in bytes (50MB)
message_size_limit = 52428800
## SASL Auth Settings
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain = $myhostname
smtpd_sasl_security_options = noanonymous
broken_sasl_auth_clients = yes
## Dovecot Settings for deliver, SASL Auth and virtual transport
## uncomment those line to use Dovecot
#mailbox_command = /usr/lib/dovecot/deliver
#virtual_transport = dovecot
#dovecot_destination_recipient_limit = 1
# Virtual delivery settings
virtual_mailbox_base = /var/customers/mail/
virtual_mailbox_maps = mysql:/etc/postfix/mysql-virtual_mailbox_maps.cf
virtual_mailbox_domains = mysql:/etc/postfix/mysql-virtual_mailbox_domains.cf
virtual_alias_maps = mysql:/etc/postfix/mysql-virtual_alias_maps.cf
virtual_uid_maps = static:2000
virtual_gid_maps = static:2000
# Local delivery settings
local_transport = local
alias_database = hash:/etc/aliases
alias_maps = $alias_database
# Default Mailbox size, is set to 0 which means unlimited!
mailbox_size_limit = 0
virtual_mailbox_limit = 0
### TLS settings
###
## TLS for outgoing mails from the server to another server
#smtp_use_tls = yes
#smtp_tls_note_starttls_offer = yes
## TLS for email client
#smtpd_tls_cert_file = /etc/ssl/server/low-hosting.de.pem
#smtpd_tls_key_file = /etc/ssl/server/low-hosting.de.pem
#smtpd_tls_CAfile = /etc/ssl/cacert.class3.crt # Just an example for CACert.org
#smtpd_tls_auth_only = no
#smtpd_tls_loglevel = 1
#smtpd_tls_received_header = yes
#smtpd_tls_session_cache_timeout = 3600s
#tls_random_source = dev:/dev/urandom
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
debugger_command =
PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin
ddd $daemon_directory/$process_name $process_id & sleep 5
Der Fehler kommt aber nicht immer vor. Vorallem Egal ob versenden oder Empfangen..evtl ein DNS Problem?
Code:
Sub RR_Typ Pref (MX) Wert
MX 10 mail
* A XX.XXX.XXX.XX
mail A XX.XXX.XXX.XX
Subdo A YY.YYY.YYY.YY
Evtl. hat jmd von euch eine Spontane Idee :\
Gruß pk-dragon