Portál AbcLinuxu, 6. května 2025 06:15
# 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 $mail_name (Ubuntu) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no # See http://www.postfix.org/COMPATIBILITY_README.html -- default to 2 on # fresh installs. compatibility_level = 2 # TLS parameters smtpd_tls_cert_file = /www/server/panel/plugin/mail_sys/cert//fullchain.pem smtpd_tls_key_file = /www/server/panel/plugin/mail_sys/cert//privkey.pem smtpd_use_tls = yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_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. smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination myhostname = gamemail.eu alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases myorigin = /etc/mailname mydestination = relayhost = mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 mailbox_size_limit = 0 recipient_delimiter = + inet_interfaces = all inet_protocols = all virtual_mailbox_domains = sqlite:/etc/postfix/sqlite_virtual_domains_maps.cf virtual_alias_maps = sqlite:/etc/postfix/sqlite_virtual_alias_maps.cf, sqlite:/etc/postfix/sqlite_virtual_alias_domain_maps.cf, sqlite:/etc/postfix/sqlite_virtual_alias_domain_catchall_maps.cf virtual_mailbox_maps = sqlite:/etc/postfix/sqlite_virtual_mailbox_maps.cf, sqlite:/etc/postfix/sqlite_virtual_alias_domain_mailbox_maps.cf smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth smtpd_sasl_auth_enable = yes smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination smtp_tls_security_level = may smtpd_tls_security_level = may virtual_transport = lmtp:unix:private/dovecot-lmtp smtpd_milters = inet:127.0.0.1:8891 non_smtpd_milters = inet:127.0.0.1:8891 milter_protocol = 2 milter_default_action = accept
Delivered-To: Received: by 2002:a2e:85c5:0:0:0:0:0 with SMTP id h5csp8133153ljj; Thu, 16 Jan 2020 03:19:07 -0800 (PST) X-Google-Smtp-Source: APXvYqx/rKg7oSCgE/MFYQkWVSd7JYO40F6uC175hU1WVSrNuqKjOTZQzz8xofKqESzRqiXxqCBT X-Received: by 2002:adf:f103:: with SMTP id r3mr2671295wro.295.1579173546948; Thu, 16 Jan 2020 03:19:06 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1579173546; cv=none; d=google.com; s=arc-20160816; b=Yc41S0cViJf9G2ASxxkiq5aB5RiTvmFkFiVLRegAa6UEAJm1fr8LRdmz1wEm47p8El oTE1UpgeL0hBJCiv6riUsKQ6xQXAgueLyzJAy/dtj/FqqKVXxx2fOOgW3cz9iJdoShnE g/HO4YjR36yTb6y2FrFVBx4HH4CD2HxIABr9siGpnLpfJDtmDp7lVImw5FylAvz4WXBS HufSLFXAjC92aj3zJvfI3fR161bfAAol4XLK8ioqaMhWiBa5tzy+KLNSSKZaW7zri38W EQWLa2sRNYEJmIeCdgTG6iZimx7wrWYnDCvhk31tGfE+swrPuRXPAeM8l/DptBNjksRg IvXQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=message-id:user-agent:subject:to:from:date :content-transfer-encoding:mime-version:dkim-signature:dkim-filter; bh=g3zLYH4xKxcPrHOD18z9YfpQcnk/GaJedfustWU5uGs=; b=NWDyArlN20uhD01Hw1ENjK86fSiNVkUkXFt4+zQw/syNNAIM2wzPkoSuIeYs9smqhj 0jKxmyK9gdHy0mO9Juw+6/SLCSJ7vcL4V3A5r3BMiAXHzqB1fWHCXErz+qjPD4ESP/EK XAR5m/xZhwTZJv8GngUuq5YWsmB6vNP6JN02UrCmjwXnRVFhWeeP2eIdVG3nokd/+VvA Es6vAplF3dLKUdGayThfsiX7RowazlzC/iYbKVk0ZbyNuYpbvS6VSwz9BSsPtdamgdA1 uDtSXuwtfxdHq9JKsr/U6HC1qmxEeEkepJ2EHBwC8LKuy5rFecz02u19REckJ3RrZoyq TnKw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gamemail.eu header.s=default header.b=PpSRanCF; spf=pass (google.com: domain of designates 164.68.109.120 as permitted sender) smtp.mailfrom=; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=gamemail.eu Return-Path: <> Received: from gamemail.eu (gamemail.eu. [164.68.109.120]) by mx.google.com with ESMTPS id w20si2974097wmc.96.2020.01.16.03.19.06 for <> (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Jan 2020 03:19:06 -0800 (PST) Received-SPF: pass (google.com: domain of designates 164.68.109.120 as permitted sender) client-ip=164.68.109.120; Authentication-Results: mx.google.com; dkim=pass header.i=@gamemail.eu header.s=default header.b=PpSRanCF; spf=pass (google.com: domain of designates 164.68.109.120 as permitted sender) smtp.mailfrom=; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=gamemail.eu Received: from gamemail.eu (localhost [127.0.0.1]) by gamemail.eu (Postfix) with ESMTPA id 43B104200D11 for <>; Thu, 16 Jan 2020 12:19:06 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 gamemail.eu 43B104200D11 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gamemail.eu; s=default; t=1579173546; bh=g3zLYH4xKxcPrHOD18z9YfpQcnk/GaJedfustWU5uGs=; h=Date:From:To:Subject:From; b=PpSRanCFmbB8HvLy2Baga2Dc58IIVAwhE5S+YjO2CBxh+oKo/82AILCFKoQ+rCmab AZYA37E2Wp3ejmdoKHbTFO+XFZdQOwMfScPe+ItJ/ivImRgr+6C7CEFnVjyTGcgCzy yZSnIlaEWDuTGnJtrygmRExY2/xpeLAbZy5YxrCc= MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Thu, 16 Jan 2020 12:19:06 +0100 From: To: Subject: test User-Agent: Roundcube Webmail/1.4.1 Message-ID: <58e8fb091628b1e5637173716ca31394@gamemail.eu> X-Sender: ****
# /etc/hosts 127.0.0.1 localhost 164.68.109.120 mail.gamemail.eu mail # /etc/hostname mailPak se ti bude hlásit správně. Nebo další možností je, nastavit to do postfixu natvrdo.
# SPF (mohou se posílat emaily ze všeho, co má můj A i AAAA záznam a MX záznam, vše ostatní odmítat) v=spf1 a mx -all # ADSP (všechny maily musí být podepsané) dkim=all # DMARC (viz doc) v=DMARC1;p=reject;sp=reject;adkim=r;aspf=r;pct=100Takto to používám na všech produkčních doménách.
Dalsi dulezita vec je kontrola reputace domeny.
https://postmaster.google.comPokud je reputace spatna google postu neprijme, omezi, ...
mail.gamemail.eu A 164.68.109.120 MX mail.gamemail.eu 120.109.68.164.in-addr.arpa. PTR mail.gamemail.euOvěřit nastavení lze :
dig @8.8.8.8 gamemail.eu MX dig @8.8.8.8 mail.gamemail.eu dig @8.8.8.8 -x 164.68.109.120A jak už jsem napsal předtím, hostname a hosts by měly vypadat takto (pokud tazatel vlastní ipv6, tak doplnit ipv6):
# /etc/hosts 127.0.0.1 localhost ::1 localhost.localdomain localhost 164.68.109.120 mail.gamemail.eu mail # /etc/hostname mailZdar Max
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