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我有一个带有最新存储库（apt-get）后缀的 ubuntu 12.10 盒子。sendmail当我从命令行发送电子邮件时：

sendmail -r from@example.com -f from@example.com -t to@example.com

电子邮件仅发送至to@example.com（这很好）。

但是，当我使用 PHP 和这个函数时：

function mymail($to, $subject, $message, $frommail = "from@example.com", $fromname = "From Me") {
  $subject = "=?utf-8?B?" . base64_encode($subject) . "?=";
  $from = $fromname . " <" . $frommail . ">";
  $headers = "From: " . $from . " \r\n";
  $headers .= "MIME-Version: 1.0\r\n";
  $headers .= "Content-type: text/html; charset=UTF-8\r\n";
  $headers .= "Content-Transfer-Encoding: base64\r\n\r\n";
  $message = base64_encode($message);
  $param = "-r " . $frommail . " \r\n";
  // Optionally tried also 
  // $param = "-r " . $frommail . " -f " . $frommail . " \r\n";
  mail($to, $subject, $message, $headers, $param);
}

然后to@example.com AND MAILER-DAEMON（我在我aliases的 中设置为 root）收到电子邮件。

mail由 mailutils命令读取时的 MAILER-DAEMON 电子邮件是：

Return-Path: <from@example.com>
Delivered-To: MAILER-DAEMON@localhost
Received: by localhost (Postfix, from userid 33)
    id 5663254EB; Wed, 15 May 2013 16:57:52 +0700 (ICT)
To: to@example
Subject: Test
X-PHP-Originating-Script: 1000:mail_func.php
From: FromMe <from@example.com> 
MIME-Version: 1.0
Content-type: text/html; charset=UTF-8
Content-Transfer-Encoding: base64
Message-Id: <20130515095752.5663254EB@localhost>
Date: Wed, 15 May 2013 16:57:52 +0700 (ICT)

然后是 base64 电子邮件。如何防止 MAILER-DAEMON 在通过 PHP 发送电子邮件时收到副本？

4

1 回答 1

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不确定我应该删除这个问题还是让它为将来的帮助。我刚刚找到了原因。在额外的参数中，我应该使用

$param = "-f" . $frommail;

并且没有."\r\n"而不是错误：

$param = "-r " . $frommail . " \r\n";
于 2013-05-15T11:11:33.793 回答