Returned mail: see transcript for details （2024.03.20）
The original message was received at Tue, 19 Mar 2024 17:58:14 +0200
from ybxxqq54.secure.ne.jp [27.34.153.54]
----- The following addresses had permanent fatal errors -----
(reason: 550-5.7.26 The MAIL FROM domain [tundra2000.com] has an SPF record with a hard)
----- Transcript of session follows -----
... while talking to gmail-smtp-in.l.google.com.:
>>> DATA
<<< 421-4.7.0 [128.214.205.198 21] Gmail has detected that this message is
<<< 421-4.7.0 suspicious due to the nature of the content and/or the links within.
<<< 421-4.7.0 To best protect our users from spam, the message has been blocked.
<<< 421-4.7.0 For more information, go to
<<< 421 4.7.0 https://support.google.com/mail/answer/188131 p22-20020a056512313600b00513da2c5f1esi2920910lfd.420 - gsmtp
... while talking to alt1.gmail-smtp-in.l.google.com.:
>>> DATA
<<< 550-5.7.26 The MAIL FROM domain [tundra2000.com] has an SPF record with a hard
<<< 550-5.7.26 fail policy (-all) but it fails to pass SPF checks with the ip:
<<< 550-5.7.26 [128.214.205.198]. To best protect our users from spam and phishing,
<<< 550-5.7.26 the message has been blocked. For instructions on setting up
<<< 550-5.7.26 authentication, go to
<<< 550 5.7.26 https://support.google.com/mail/answer/81126#authentication bv191-20020a632ec8000000b005dc5061f211si10439213pgb.560 - gsmtp
554 5.0.0 Service unavailable
