Füge rohe Header ein, sieh dir Received-Hops, SPF/DKIM/DMARC-Status und die Zustell-Timeline an.
Header
Von
Sender <user@example.com>
An
you@example.com
Betreff
Sample Header
Datum
Mon, 01 Dec 2024 16:00:00 +0000
Message-ID
<1234@example.com>
SPF / DKIM / DMARC
pass / pass / pass
Aus Authentication-Results
Received-Hops
#1
from mail.example.com (mail.example.com. [203.0.113.4]) by mx.google.com with ESMTPS id abcdefg.1.2024.12.01.08.00.00 for <you@example.com> (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Dec 2024 08:00:00 -0800 (PST)