Claim Postmark
Vendor authority
Confirm that you represent Postmark, then sign its current company record. Offers and future changes need their own confirmation. Claiming and correcting are free.
- Immutable entity
ent_01kyxthgq2d5azvrkqbbyckj61- Current revision
- sha256:b59df9e343a7…
- Domain of proof
postmarkapp.com- Proof methods
- Domain email, DNS TXT, well-known HTTPS file, or aligned inbound DKIM
Proof
Prove control of postmarkapp.com
Choose a method you control. Each confirms the same company record; nothing changes publicly until your proof is checked and published.
Publish this record exactly:
- Name
- Type
TXT- Value
Token sent to .
Publish one UTF-8 line at this exact URL. Redirects are not accepted.
- URL
- Value
Send a new email from postmarkapp.com. Its DKIM signing domain must be exactly postmarkapp.com, not only the ESP domain.
- To
- Subject
- Vendor authority
- Established over postmarkapp.com
- Attested
- This exact revision, on the public record
Separate from your attestation
Verified company Verified company is a separate human check of the company’s name and main domain. Claiming this record does not award the verified tick.
The record’s badge
One stable image resolving the record’s current live facts, linking to the canonical page. Embed it once; it keeps itself current. Placement is never evidence and never affects rank.
[](https://sourcey.com/c/postmark)The claim event is public and names its proof method. Domain loss, expiry, or a handover appends a revocation, never an edit. How the registry governs itself.