我怎样才能解决这个问题。
From: [email protected] (Mail Delivery System) Date: 26 April 2016 at 5:50:23 PM GMT+4 To: [email protected] Subject: Undelivered Mail Returned to Sender This is the mail system at host adam.yocta.com. I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below. For further assistance, please send mail to postmaster. If you do so, please include this problem report. You can delete your own text from the attached returned message. The mail system <[email protected]>: host dcmimail.emirates.net.ae[86.96.229.27] said: 550 Invalid Recipient [609] (in reply to RCPT TO command) Reporting-MTA: dns; adam.yocta.com X-Postfix-Queue-ID: F129338B56F X-Postfix-Sender: rfc822; [email protected] Arrival-Date: Tue, 26 Apr 2016 19:20:20 +0530 (IST) Final-Recipient: rfc822; [email protected] Original-Recipient: rfc822;[email protected] Action: failed Status: 5.0.0 Remote-MTA: dns; dcmimail.emirates.net.ae Diagnostic-Code: smtp; 550 Invalid Recipient [609] From: Immunity Global Services <[email protected]> Date: 26 April 2016 at 5:50:19 PM GMT+4 To: [email protected] 问题不清楚，如果你的问题是从客户端angular度或服务器端。
从客户端的angular度来看，这可能仅仅意味着您将电子邮件发送到了错误的电子邮件地址，到了正确的域名，但是地址错误或者根本没有在其邮件服务器上注册。 这也可能意味着电子邮件已返回，因为收件人邮箱已满或由于其他过滤原因。
从服务器端来看，您需要提供更多的信息。 但是，您能够从邮件服务器获得响应的事实意味着来自客户端发件人的请求已被邮件服务器接收。 它只是没有被转发到客户端接收器，并被邮件服务器返回给客户端。