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Jacob Evans
Asked: 2017-02-18 07:49:45 +0800 CST

Postfix 中继往返我的域，但不往返于另一个域

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我有一些后缀服务器用于从网络表单发送电子邮件，我希望能够将电子邮件从外部域发送到我的域，从我的域发送到我的域，以及从我的域发送到外部域。

我不希望能够从外部域发送到外部域。

仅 mynetworks 似乎就构成了一个完全开放的中继（从任何到任何），这是我不想要的。

内部域 = example.com,example.org 外部域 = yahoo.com

从内部到任何 = 允许

期望的结果：

mail from: [email protected] < 2.1.0 OK
rcpt to: [email protected] < 2.1.5 OK
rcpt to: [email protected] < 2.1.5 OK
rcpt to: [email protected] < 2.1.5 OK

实际结果：

rcpt to: [email protected] < 2.1.5 OK
rcpt to: [email protected] < 2.1.5 OK
rcpt to: [email protected] < 454 4.7.1 Relay Access Denied

从任何到仅限内部

期望的结果：

mail from: [email protected] < 2.1.0 OK
rcpt to: [email protected] < 2.1.5 OK
rcpt to: [email protected] < 2.1.5 OK
rcpt to: [email protected] < 454 4.7.1 Relay Access Denied

实际结果：

mail from: [email protected] < 2.1.0 OK
rcpt to: [email protected] < 2.1.5 OK
rcpt to: [email protected] < 2.1.5 OK
rcpt to: [email protected] < 454 4.7.1 Relay Access Denied
postfix email-server

1 个回答

  1. Best Answer

    当我经历每一个场景时，我想通了！

    /etc/postfix/main.cf

    mynetworks = 127.0.0.0/8, 10.0.0.0/8
relay_domains = example.com, example.org
smtpd_recipient_restrictions = check_recipient_access hash:/etc/postfix/sender_access,reject_unknown_sender_domain,reject_unknown_recipient_domain,permit
smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated, defer_unauth_destination
smtpd_sender_restrictions = check_sender_access hash:/etc/postfix/sender_access,check_recipient_access hash:/etc/postfix/sender_access,reject_unknown_sender_domain,reject_unknown_recipient_domain,reject

    /etc/postfix/sender_access

    example.com  OK
example.org  OK
    • 1

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