我有一个 Postfix 设置，它似乎正在接受其他收件人的电子邮件并将其转发到现有的合法电子邮件。
例如，我们收到一封垃圾邮件，[电子邮件保护]，并且 Postfix 似乎正在将其发送给[电子邮件保护]。
这是其中一封电子邮件的标题，显示了我的意思。
Return-Path: <[email protected]>
Delivered-To: [email protected]
Received: from mail.foo.org.uk
by mail.foo.org.uk with LMTP
id 7MXENd9eMmZTHAUAe7yBEg
(envelope-from <[email protected]>)
for <[email protected]>; Wed, 01 May 2024 15:25:19 +0000
Received: by mail.foo.org.uk (Postfix, from userid 1000)
id CBFA0FC055; Wed, 1 May 2024 15:25:19 +0000 (UTC)
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
mail.foo.org.uk
X-Spam-Level: *
X-Spam-Status: No, score=1.3 required=5.0 tests=HTML_IMAGE_ONLY_16,
HTML_IMAGE_RATIO_04,HTML_MESSAGE,HTML_SHORT_LINK_IMG_2,
RCVD_IN_ZEN_BLOCKED_OPENDNS,SPF_HELO_NONE,SPF_PASS,T_TVD_MIME_EPI,
URIBL_BLOCKED,URIBL_DBL_BLOCKED_OPENDNS,URIBL_ZEN_BLOCKED_OPENDNS
autolearn=no autolearn_force=no version=3.4.6
Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=178.162.136.136; helo=xn-- e1aub.007.xn--p1acf; [email protected]; receiver=<UNKNOWN>
Received: from xn--e1aub.007.xn--p1acf (xn--e1aub.007.xn--p1acf [178.162.136.136])
by mail.foo.org.uk (Postfix) with ESMTP id C6C74FC055
for <[email protected]>; Wed, 1 May 2024 15:25:18 +0000 (UTC)
Received: from baz.nl (rirosh.lat [91.215.169.195])
by xn--e1aub.007.xn--p1acf (Postfix) with ESMTPA id 905453663;
Wed, 1 May 2024 18:25:12 +0300 (EEST)
Message-ID: <[email protected]>
From: "Keto Gummies" <[email protected]>
To: <[email protected]>
Subject: People's Keto Gummies - powerful New Formula triggers Fat-Burning ketosis!
Date: Wed, 01 May 2024 18:25:16 +0300
MIME-Version: 1.0
如您所见，它的地址是[电子邮件保护]，但交付给[电子邮件保护]
我相信我们收到的所有电子邮件都将[电子邮件保护]
至于设置，该服务器是几年前由其他人设置的，并利用 Postfix、Dovecot、SpamAssassin 和 MySQL 作为虚拟邮箱/域名。
postconf -n 的输出是
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
append_dot_mydomain = no
biff = no
compatibility_level = 3.6
inet_interfaces = all
inet_protocols = all
mailbox_size_limit = 0
milter_default_action = accept
milter_protocol = 2
mydestination = localhost
myhostname = mail.foo.org.uk
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
myorigin = /etc/mailname
non_smtpd_milters = inet:localhost:12301
rbl_reply_maps = hash:$config_directory/dnsbl-reply-map
readme_directory = no
recipient_delimiter = +
relayhost =
smtp_tls_CApath = /etc/ssl/certs
smtp_tls_security_level = may
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
smtpd_banner = $myhostname ESMTP $mail_name
smtpd_data_restrictions = reject_unauth_pipelining
smtpd_milters = inet:localhost:12301
smtpd_recipient_restrictions = check_recipient_access hash:/etc/postfix/recipient_access, permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_recipient, reject_unknown_recipient_domain, reject_unauth_destination, reject_unlisted_recipient, reject_invalid_hostname, check_policy_service unix:private/policy-spf, reject_rbl_client .zen.dq.spamhaus.net=127.0.0.[2..11] reject_rhsbl_sender .dbl.dq.spamhaus.net=127.0.1.[2..99] reject_rhsbl_helo .dbl.dq.spamhaus.net=127.0.1.[2..99] reject_rhsbl_reverse_client .dbl.dq.spamhaus.net=127.0.1.[2..99] reject_rhsbl_sender .zrd.dq.spamhaus.net=127.0.2.[2..24] reject_rhsbl_helo .zrd.dq.spamhaus.net=127.0.2.[2..24] reject_rhsbl_reverse_client .zrd.dq.spamhaus.net=127.0.2.[2..24] permit
smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_recipient, reject_unknown_recipient_domain, reject_unauth_destination, check_policy_service unix:private/policy-spf, permit
smtpd_sasl_auth_enable = yes
smtpd_sasl_path = private/auth
smtpd_sasl_type = dovecot
smtpd_sender_restrictions = check_sender_access hash:/etc/postfix/sender_access
smtpd_tls_auth_only = yes
smtpd_tls_cert_file = /etc/letsencrypt/live/mail.foo.org.uk/fullchain.pem
smtpd_tls_key_file = /etc/letsencrypt/live/mail.foo.org.uk/privkey.pem
smtpd_tls_security_level = may
virtual_alias_maps = proxy:mysql:/etc/postfix/sql/mysql_virtual_alias_maps.cf, proxy:mysql:/etc/postfix/sql/mysql_virtual_alias_domain_maps.cf, proxy:mysql:/etc/postfix/sql/mysql_virtual_alias_domain_catchall_maps.cf
virtual_mailbox_domains = proxy:mysql:/etc/postfix/sql/mysql_virtual_domains_maps.cf
virtual_mailbox_maps = proxy:mysql:/etc/postfix/sql/mysql_virtual_mailbox_maps.cf,
proxy:mysql:/etc/postfix/sql/mysql_virtual_alias_domain_mailbox_maps.cf
virtual_transport = lmtp:unix:private/dovecot-lmtp