[Postfixbuch-users] Postfix-Queue file write error

[Axel Riedel]

Hallo,

ich bekomme gelegentlich Mails von meinem Postfix mit folgendem Inhalt:
Transcript of session follows.

 Out: 220 mail.x-case.de ESMTP Postfix
 In:  EHLO mail18-33.srv2.de
 Out: 250-mail.x-case.de
 Out: 250-PIPELINING
 Out: 250-SIZE 52428800
 Out: 250-VRFY
 Out: 250-ETRN
 Out: 250-ENHANCEDSTATUSCODES
 Out: 250-8BITMIME
 Out: 250 DSN
 In:  MAIL FROM:<xxx at news.walbusch.de> BODY=7BIT RET=HDRS
 Out: 250 2.1.0 Ok
 In:  RCPT TO:<xxx at x-case.de> NOTIFY=FAILURE
 Out: 451 4.3.0 Error: queue file write error
 In:  DATA
 Out: 554 5.5.1 Error: no valid recipients
 In:  QUIT
 Out: 221 2.0.0 Bye
For other details, see the local mail logfile

Ist das jetzt ein Problem von Amavis oder den Recipient-Restrictions?
Das Problem tritt gelegentlich (einige Mails) auf und dann wochenlang gar nicht...

dazu das Log:
Mar  8 09:04:02 dione postfix/smtpd[13796]: connect from mail18-33.srv2.de[193.169.181.33]
Mar  8 09:04:02 dione postgrey[1238]: action=pass, reason=triplet found, client_name=mail18-33.srv2.de, client_address=193.169.181.33, sender=return at news.walbusch.de, recipient=xxx at x-case.de
Mar  8 09:05:42 dione postfix/smtpd[13796]: warning: timeout talking to proxy localhost:10024
Mar  8 09:05:43 dione postfix/cleanup[13797]: 19C261A0356: message-id=<20130308080543.19C261A0356 at mail.x-case.de>
Mar  8 09:05:43 dione postfix/smtpd[13796]: disconnect from mail18-33.srv2.de[193.169.181.33]

Und die Postfix-Konfiguration:
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
append_dot_mydomain = no
biff = no
bounce_queue_lifetime = 3d
config_directory = /etc/postfix
debug_peer_level = 2
delay_warning_time = 4h
inet_interfaces = all
mail_owner = postfix
maildrop_destination_recipient_limit = 1
maximal_queue_lifetime = 3d
message_size_limit = 52428800
myhostname = mail.x-case.de
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 80.88.19.64/28
myorigin = $mydomain
readme_directory = no
recipient_bcc_maps = regexp:/etc/postfix/backup_bcc.regexp
recipient_delimiter = +
relay_domains = hash:/etc/postfix/relay_domains
relayhost =
sender_bcc_maps = regexp:/etc/postfix/backup_bcc.regexp
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
smtpd_banner = $myhostname ESMTP $mail_name
smtpd_recipient_restrictions = check_recipient_access hash:/etc/postfix/check_recipient_access-rfc, check_recipient_access hash:/etc/postfix/check_recipient_access, check_client_access hash:/etc/postfix/check_client_access, check_sender_access hash:/etc/postfix/check_sender_access, check_helo_access hash:/etc/postfix/check_helo_access, reject_unknown_sender_domain, reject_unknown_recipient_domain, reject_non_fqdn_sender, reject_non_fqdn_recipient, permit_mynetworks reject_rbl_client ix.dnsbl.manitu.net, reject_rbl_client zen.spamhaus.org, reject_unverified_recipient, check_policy_service inet:127.0.0.1:10023, reject_unauth_destination, permit
smtpd_tls_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file = /etc/ssl/private/ssl-cert-snakeoil.key
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtpd_use_tls = no
transport_maps = hash:/etc/postfix/transport, hash:/etc/postfix/relay_domains
unknown_address_reject_code = 579
unverified_recipient_reject_code = 577

Mit freundlichen Grüßen / Best Regards

Axel Riedel
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X-CASE GmbH