用GMAIL邮箱发邮件给客户,老是马上收到下面退邮提示:
The original message was received at Mon, 6 Dec 2021 04:20:37 -0500
from mail-qk1-f176.google.com [209.85.222.176]
*** ATTENTION ***
This email is being returned to you because the remote server would not
or could not accept the message. The registeredsite servers are just
reporting to you what happened and are not the source of the problem.
The address which was undeliverable is in the section labeled:
"----- The following addresses had permanent fatal errors -----".
The reason your mail is being returned to you is in the section labeled:
"----- Transcript of Session Follows -----".
The line beginning with "<<<" describes the specific reason your e-mail could
not be delivered. The next line contains a second error message which is a
general translation for other e-mail servers.
Please direct further questions regarding this message to your e-mail
administrator.
--Registeredsite Postmaster
----- The following addresses had permanent fatal errors -----
<
xxxyyy@sinaspa.com>
(reason: 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1))
----- Transcript of session follows -----
... while talking to webmail1.myregisteredsite.com.:
>>> DATA
<<< 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)
550 5.1.1 <
xxxyyy@sinaspa.com>... User unknown
<<< 503 RCPT first (#5.5.1)
福友们有遇到这样问题的吗,是怎么解决的??