Undelivered Mail Returned to Sender （2024.03.04）
This is the mail system at host mailfront9-hki1.nebula.fi.
I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.
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If you do so, please include this problem report. You can
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The mail system
mx-in1.euronic.fi[31.187.86.11] said: 550 188.117.43.233 is not allowed to
send mail from tundra2000.com. Please see the SPF record, with scope mfrom,
identity blog@tundra2000.com, and ip 188.117.43.233 (in reply to end of
DATA command)
