SMTP error, RCPT TO: 554 This server requires PTR for unauthenticated connections
发布时间:2013-11-28 10:17:42
错误代码 | SMTP error, RCPT TO: 554 This server requires PTR for unauthenticated connections |
形成原因 | 退信表明收信服务器要求未经身份验证的连接 |
解决办法/流程 | 退信表明收信服务器要求未经身份验证的连接,我方测试使用QQ邮箱发送也同样是发送不成功,这个是对方服务器的限制,如果是使用的是客户端发送邮件,请将“我的服务器要求身份验证”不要勾选,然后尝试发信,谢谢! |
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