Portál AbcLinuxu, 12. května 2025 10:16
Mám server, kde běží postfix nakonfigurovaný na smtp relay na server ISP (smtp.o2isp.cz). Zde je konfigurace:
================================
#myorigin = /etc/mailname
smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
biff = no
append_dot_mydomain = no
delay_warning_time = 4h
# TLS parameters
smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
smtpd_use_tls=yes
smtpd_tls_session_cache_database = btree:${queue_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${queue_directory}/smtp_scache
# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
# information on enabling SSL in the smtp client.
smtp_sasl_auth_enable = yes
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
smtp_sasl_security_options =
#smtp_sasl_type = cyrus
myhostname = $hostname
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
#mydestination = localdomain, holly, localhost.localdomain, localhost
relayhost = smtp.o2isp.cz
mynetworks = 192.168.0.0/24 127.0.0.0/8
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
==================================
Vše vypadalo, že chodí dobře, ale nedávno jsem zjistil, že některé zprávy nedojdou adresátům a jen se vrátí zpráva:
==================================This is an automatically generated Delivery Status Notification.
Delivery to the following recipients failed.
####@asko-as.cz
Reporting-MTA: dns;s0.asko-as.local
Received-From-MTA: dns;mail.asko-as.cz
Arrival-Date: Thu, 20 Dec 2007 19:29:00 +0100
Final-Recipient: rfc822;####@asko-as.cz
Action: failed
Status: 5.1.1
================================Nikde jsem nenašel co znamená status: 5.1.1 Pokud mail pošlu přímo přes SMTP ISP, tak dorazí bez problému. Nevíte v čem by mohl být problém? Zkoušel jem poslat mail sám sobě a v hlavičce se mám i IP svého lokálního PC s neveřejnou adresou, mohl by být problém tam?
# See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: Specifying a file name will cause the first # line of that file to be used as the name. The Debian default # is /etc/mailname. #myorigin = /etc/mailname smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings delay_warning_time = 4h # TLS parameters smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key smtpd_use_tls=yes smtpd_tls_session_cache_database = btree:${queue_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${queue_directory}/smtp_scache # See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for # information on enabling SSL in the smtp client. smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_security_options = #smtp_sasl_type = cyrus myhostname = $hostname alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases #mydestination = localdomain, holly, localhost.localdomain, localhost relayhost = smtp.o2isp.cz mynetworks = 192.168.0.0/24 127.0.0.0/8 mailbox_size_limit = 0 recipient_delimiter = + inet_interfaces = all
This is an automatically generated Delivery Status Notification. Delivery to the following recipients failed. j.novak@asko-as.cz Reporting-MTA: dns;s0.asko-as.local Received-From-MTA: dns;mail.asko-as.cz Arrival-Date: Thu, 20 Dec 2007 19:29:00 +0100 Final-Recipient: rfc822;j.novak@asko-as.cz Action: failed Status: 5.1.1
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