Hi list,
seit kurzem ist mir aufgefallen dass unser postfix-mail-server 1, der als haupt-mail-server fungiert und die mails nach innen und aussen weiterleitet, die queue mit allerhand mails voll hat. Darunter sind auch mails an verteiler. Teilweise gibt es timeouts bei der kommunikation mit dem mailserver 2, welcher die postfächer enthält. (postfix, dovecot mit 2000 postfächern) Postqueue p auf mail server 1 enthält viele Nachrichten einer Aussendung an mehr als 1000 user in der Queue. Es gibt folgende Meldung: (conversation with mailserver 2 [ip] timed out while sending RCPT TO) Diese Mails an die Verteiler stecken seit einigen Tagen in der queue fest. Was blockiert die Aussendung dieser Verteiler-Mail ? Vor allem gibt es keine Meldung, dass die Mails verzögert werden oder nicht angekommen sind. Die log-Dateien geben nichts verdächtiges aus. Wie gesagt, mails gehen rein und raus, nur bei den mails an die verteiler hakt es ordentlich. Config n (mailserver 1) Mailserver 1:/ # postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases allow_percent_hack = yes append_at_myorigin = yes command_directory = /usr/sbin config_directory = /etc/postfix content_filter = daemon_directory = /usr/lib/postfix debug_peer_level = 20 default_destination_recipient_limit = 9000 default_extra_recipient_limit = 9000 defer_transports = disable_dns_lookups = no empty_address_recipient = MAILER-DAEMON inet_interfaces = IP local_recipient_maps = unix:passwd.byname $alias_maps mail_owner = postfix mail_spool_directory = /var/mail mailbox_command = mailbox_size_limit = 0 mailbox_transport = mailq_path = /usr/bin/mailq manpage_directory = /usr/share/man maps_rbl_domains = pbl.spamhaus.org sbl-xbl.spamhaus.org relays.ordb.org combined.njabl.org masquerade_classes = envelope_sender, header_sender, header_recipient masquerade_domains = domain.de masquerade_exceptions = root mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain, domain-2.de mydomain = domain.de myhostname = server.domain.de mynetworks = IP myorigin = $mydomain newaliases_path = /usr/bin/newaliases queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix/README_Debian relay_domains = $mydestination relayhost = sendmail_path = /usr/sbin/sendmail setgid_group = postdrop smtp_sasl_auth_enable = no smtp_use_tls = no smtpd_client_restrictions = reject_rbl_client sbl-xbl.spamhaus.org reject_rbl_client cbl.abuseat.org smtpd_helo_required = yes smtpd_helo_restrictions = smtpd_recipient_limit = 9000 smtpd_recipient_restrictions = permit_mynetworks,reject_unauth_destination smtpd_sasl_auth_enable = no smtpd_use_tls = no strict_rfc821_envelopes = no swap_bangpath = yes unknown_local_recipient_reject_code = 450 virtual_alias_domains = virtual-domain.de virtual_alias_maps = hash:/etc/postfix/virtual postconf n (mailserver 2) mailserver 2:~# postconf -n alias_maps = hash:/etc/aliases command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/lib/postfix default_destination_recipient_limit = 9000 default_extra_recipient_limit = 9000 home_mailbox = Maildir/ html_directory = /usr/share/doc/postfix/html inet_interfaces = IP mail_owner = postfix mailq_path = /usr/bin/mailq manpage_directory = /usr/share/man message_size_limit = 30960000 mydestination = $myhostname, localhost.$mydomain, localhost mydomain = mailserver 2.domain.de myhostname = mailserver 2.domain.de mynetworks = IPs myorigin = $mydomain newaliases_path = /usr/bin/newaliases queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix relay_domains = $mydestination sample_directory = /usr/share/postfix sendmail_path = /usr/sbin/sendmail setgid_group = postdrop smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU) smtpd_recipient_limit = 9000 unknown_local_recipient_reject_code = 550
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