From: Mail Delivery System
Subject: Mail delivery failed: returning message to sender
This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed:
[مهمان/کاربر گرامی برای دیدن لینک ها ابتدا باید عضو سایت شوید و لاگین کنید برای ثبت نام اینجا کلیک کنید]
host mail.test.com [192.168.1.1]
SMTP error from remote mail server after MAIL FROM:<admin@test.com> SIZE=2364:
550 Authentication is required for relay
From: Mail Delivery System
Subject : Warning: message 1cST4W-001qcJ-M9 delayed 72 hours
This message was created automatically by mail delivery software.
A message that you sent has not yet been delivered to one or more of its recipients after more than 72 hours on the queue on server1.hosting.com.
The message identifier is: 1cST4W-001qcJ-M9
The subject of the message is: =?utf-8?Q?=DA=A9=D9=BE=DB=8C_=D8=A7=D8=B2:__Quotidian_up dated_photo_blog_?= =?utf-8?Q?with_hot_men?=
The date of the message is: Sat, 14 Jan 2017 21:59:00 +0330
The address to which the message has not yet been delivered is:
[مهمان/کاربر گرامی برای دیدن لینک ها ابتدا باید عضو سایت شوید و لاگین کنید برای ثبت نام اینجا کلیک کنید]
host mx.yandex.ru [213.180.193.89]
Delay reason: SMTP error from remote mail server after end of data:
451 4.5.1 The recipient <de6@jaylene.ashton.london-mail.top> has exceeded their message rate limit. Try again later. 1484680970-eoBKuPv0SF-MnnOKhVF
No action is required on your part. Delivery attempts will continue for some time, and this warning may be repeated at intervals if the message remains undelivered. Eventually the mail delivery software will give up, and when that happens, the message will be returned to you.
