Postfix 队列中的奇怪电子邮件

Postfix 队列中的奇怪电子邮件

目前我没有发送任何电子邮件,我安装了 postfix 和 dovecot,但在 postfix 邮件队列中我几乎每分钟都会看到奇怪的电子邮件,我不知道这些垃圾邮件是从哪里产生的以及如何阻止它:

从:[电子邮件保护] 收件人:一些奇怪的意大利电子邮件

以下是其中一封电子邮件的标题:

Received    from User (localhost [127.0.0.1])   by mydomain.com (Postfix) with SMTP id 0F0BD25300245;   Mon, 14 Jul 2014 18:01:40 +0200 (CEST)
From    "BancoPopolare"<[email protected]>
Subject BGDNGHYSIC
Date    Mon, 14 Jul 2014 18.00.02 +0200
MIME-Version    1.0
Content-Type    multipart/mixed;    boundary="----=_NextPart_000_0078_01C2AA85.50C60CC8"
X-Priority  3
X-MSMail-Priority   Normal
X-Mailer    Microsoft Outlook Express 6.00.2800.1081
X-MimeOLE   Produced By Microsoft MimeOLE V6.00.2800.1081
Message-Id  <[email protected]>
To  undisclosed-recipients:;

答案1

已解决,我需要将其添加到我的配置文件中:

smtpd_sender_restrictions =
    permit_sasl_authenticated,
    permit_mynetworks,
    reject_non_fqdn_sender,
    reject_unknown_sender_domain,
    permit

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