PHP mail（）返回路径问题 [英] PHP mail() Return-Path Issues
问题描述
转移到新主机后，我开始遇到一些奇怪的问题。
After moving to new hosting, I've started having strange issues.
PHP mail（）函数仅在将以下行添加到php.ini中时才有效使用-f参数。
（如果省略-f参数，mail（）函数将返回true，但不执行任何操作。）
PHP mail() function only works, if I add the following line to php.ini with -f parameter. (If I omit -f parameter, mail() function will return true, but do nothing.)
[mail function]
sendmail_path = "/usr/sbin/sendmail -t -i -f email@mydomain.com"
但是，这会导致所有消息具有以下不良标头：
This, however, causes all messages have the following undesirable header:
Return-Path: <email@mydomain.com>
我尝试在mail（）中添加第五个参数，但是没有效果。
I've tried adding fifth argument to mail(), however it has no effect.
非常感谢您的帮助。
预先感谢！
I would highly appreciate your help. Thanks in advance!
推荐答案
要检查/更改您的PHP邮件配置：
To check/change your PHP mail configuration:
打开您的php.ini文件（如果您不知道它在哪里，请参阅下文）搜索显示为[mail function]的行。添加/更改邮件服务器的详细信息。这可能是本地邮件服务器或ISP的邮件服务器。保存/关闭php.ini文件重新启动Web服务器
Open your php.ini file (if you don't know where this is, see below) Search for the line that reads [mail function] Add/change the details of your mail server. This could be a local mail server or the mail server of your ISP. Save/close the php.ini file Restart your web server
首次打开php.ini文件时邮件设置的示例：
An example of what the mail settings could look like when you first open the php.ini file:
[mail function]
; For Win32 only.
SMTP = localhost
smtp_port = 25
; For Win32 only.
;sendmail_from = me@example.com
; For Unix only. You may supply arguments as well (default: "sendmail -t -i").
;sendmail_path =
其他信息正在回显 phpinfo（） ，您可以查看您的PHP配置详细信息。您可以通过创建带有以下行的.php文件来实现此目的：。在浏览器中运行此命令时，将看到PHP配置变量的完整列表。只需搜索包含php.ini和sendmail_path的行即可查看您需要使用的值。
Additional info is in echoing phpinfo() you can view your PHP configuration details. You can do this by creating a .php file with the following line on it: . When you run this in your browser, you will see a full list of PHP configuration variables. Simply search for the lines that contain php.ini and sendmail_path to see the values you need to use.
另一个想法是您可以使用 ini_set（ ）像这样正确配置您的邮件设置
Another idea is you might use ini_set() to properly config your mail setting like this
如果您的邮件脚本继续失败，请在电子邮件脚本顶部添加以下代码。
Add the following code to the top of your email script if your mail script continues to fail.
// Please specify your Mail Server - Example: mail.example.com.
ini_set("SMTP","mail.example.com");
// Please specify an SMTP Number 25 and 8889 are valid SMTP Ports.
ini_set("smtp_port","25");
// Please specify the return address to use
ini_set('sendmail_from', 'example@YourDomain.com');
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