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SPF, DKIM, and DMARC Lab

Follow one message through path authorisation, content signing, domain alignment, and receiver policy decisions.

Scenario
Direct aligned sender
The brand sends directly through its approved platform. SPF, DKIM, and DMARC all line up cleanly.
From + envelopepath + authorSPFcheckDKIMcheckDMARCcheckReceiverpolicy outcomemsgTwo identities are present before any authentication check runs_dmarc.aegean-parts.eu -> p=reject; adkim=s; aspf=rPolicy becomes decisive once DMARC alignment is known
Envelope sender
Visible From
DKIM signer
d=aegean-parts.eu; s=mta2026
SPF
pending at this stage
DKIM
pending at this stage
DMARC
pending at this stage
Receiver action
pending at this stage
Step 1 / 6Separate the envelope identity from the visible author

Start by splitting the identities. The envelope sender handles bounces. The visible From line is what the human sees. In this direct case they belong to the same organisation, so alignment is easy to maintain.

Authentication-Results snapshot
pending until the receiver finishes evaluation
pending until the receiver finishes evaluation
pending until the receiver finishes evaluation

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