问如何读取传入电子邮件的ip地址

EN

$mailinfo = imap_headerinfo($inbox, $emails[$x]);
print_r($mailinfo->from);

应该给你：personal, adl, mailbox, and host

以下任何一项都会帮助您$mailinfo->...

(要获得完整的参考，请查看http://php.net/manual/en/function.imap-headerinfo.php)

->to - an array of objects from the To: line, with the following properties: personal, adl, mailbox, and host

->from - an array of objects from the From: line, with the following properties: personal, adl, mailbox, and host

->ccaddress - full cc: line, up to 1024 characters

->cc - an array of objects from the Cc: line, with the following properties: personal, adl, mailbox, and host

->bccaddress - full bcc: line, up to 1024 characters

->bcc - an array of objects from the Bcc: line, with the following properties: personal, adl, mailbox, and host

->reply_toaddress - full Reply-To: line, up to 1024 characters

->reply_to - an array of objects from the Reply-To: line, with the following properties: personal, adl, mailbox, and host

->senderaddress - full sender: line, up to 1024 characters

->sender - an array of objects from the Sender: line, with the following properties: personal, adl, mailbox, and host

->return_pathaddress - full Return-Path: line, up to 1024 characters

->return_path - an array of objects from the Return-Path: line, with the following properties: personal, adl, mailbox, and host

为什么主机名是重要的：

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(不好意思，坐在火车上的形象不稳定)