最近轉寄到gmail都出現異常。
https://www.ptt.cc/bbs/NTU/M.1769088391.A.478.html
根據此篇應該是google今年停止支援，
請問會有解決方案嗎？
This is a MIME-encapsulated message.
--96B28C01E7.1771698150/node.localdomain
Content-Description: Notification
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
This is the mail system at host node.localdomain.
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
<xxx@gmail.com>: host gmail-smtp-in.l.google.com[142.250.157.27] said:
550-5.7.25 [140.112.172.16] The IP address sending this message does not
have a 550-5.7.25 PTR record setup, or the corresponding forward DNS entry
does not 550-5.7.25 match the sending IP. As a policy, Gmail does not
accept messages 550-5.7.25 from IPs with missing PTR records. For more
information, go to 550-5.7.25
https://support.google.com/a?p=sender-guidelines-ip 550-5.7.25 To learn
more about Gmail requirements for bulk senders, visit 550 5.7.25
https://support.google.com/a?p=sender-guidelines.
d2e1a72fcca58-826dd8ee460si5236642b3a.189 - gsmtp (in reply to end of DATA
command)
--96B28C01E7.1771698150/node.localdomain
Content-Description: Delivery report
Content-Type: message/delivery-status
Reporting-MTA: dns; node.localdomain
X-Postfix-Queue-ID: 96B28C01E7
X-Postfix-Sender: rfc822; qwefghiop1.bbs@ptt.cc
Arrival-Date: Sun, 22 Feb 2026 02:22:28 +0800 (CST)
Final-Recipient: rfc822; xxx@gmail.com
Original-Recipient: rfc822;xxx@gmail.com
Action: failed
Status: 5.7.25
Remote-MTA: dns; gmail-smtp-in.l.google.com
Diagnostic-Code: smtp; 550-5.7.25 [140.112.172.16] The IP address sending this
message does not have a 550-5.7.25 PTR record setup, or the corresponding
forward DNS entry does not 550-5.7.25 match the sending IP. As a policy,
Gmail does not accept messages 550-5.7.25 from IPs with missing PTR
records. For more information, go to 550-5.7.25
https://support.google.com/a?p=sender-guidelines-ip 550-5.7.25 To learn
more about Gmail requirements for bulk senders, visit 550 5.7.25
https://support.google.com/a?p=sender-guidelines.
d2e1a72fcca58-826dd8ee460si5236642b3a.189 - gsmtp
--96B28C01E7.1771698150/node.localdomain
Content-Description: Undelivered Message
Content-Type: message/rfc822
Content-Transfer-Encoding: 8bit
Return-Path: <qwefghiop1.bbs@ptt.cc>
Received: from ptt.cc (ptt.cc [140.112.172.11])
--
※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 49.214.15.215 (臺灣)
※ 文章網址: https://www.ptt.cc/bbs/PttNewhand/M.1771698837.A.745.html
※ 編輯: qwefghiop1 (49.214.15.215 臺灣), 02/22/2026 02:37:34