可以发到163不能发到Gmail是什么问题？（附退信内容） - 邮件服务器-邮件系统-邮件技术论坛(BBS)

无法将您的邮件投递至以下指定地址:
hu.yinglong@gmail.com : 550-5.7.1 [218.80.132.204] The IP you're using to send mail is not authorized550-5.7.1 to send email directly to our ser

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Received: Mon, 5 May 2008 15:58:36 +0800
From: admin <admin@5x54.com>
To: hu.yinglong@gmail.com
Subject: Re: test
Date: Mon, 5 May 2008 15:58:36 +0800
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