Openwake · evidence pack

Postmark

https://postmarkapp.com · record 210 · read 2026-09-05 · rules/v1 · generated 2026-09-06 04:01 UTC

Facts

Trains on customer data
unclear
No supporting text found in the documents read.
privacy policy · https://postmarkapp.com/privacy-policy · confidence 0.20
Opt-out mechanism
For more information about interest-based ads, or to opt out of having your web browsing information used for behavioral advertising purposes, please visit www.aboutads.info/choices or http://www.youronlinechoices.eu/ if you are in the European Economic Area (“EEA“).
“For more information about interest-based ads, or to opt out of having your web browsing information used for behavioral advertising purposes, please visit www.aboutads.info/choices or http://www.youronlinechoices.eu/ if you are in the European Economic Area (“EEA“).”
privacy policy · https://postmarkapp.com/privacy-policy · confidence 0.50
AI features
none stated
No supporting text found in the documents read.
privacy policy · https://postmarkapp.com/privacy-policy · confidence 0.20
Model providers named
none named
No supporting text found in the documents read.
privacy policy · https://postmarkapp.com/privacy-policy · confidence 0.20
Retention
30 days
“When the data exporter terminate their use of the Services, we delete their user/customer data within 30 days of the account termination.”
dpa · https://postmarkapp.com/dpa · confidence 0.50
Hosting regions
not stated
No supporting text found in the documents read.
privacy policy · https://postmarkapp.com/privacy-policy · confidence 0.20
Subprocessor notice
14 days
“The data importer shall specifically inform the data exporter in writing of any intended changes to that list through the addition or replacement of sub-processors at least fourteen (14) days in advance, thereby giving the data exporter sufficient time to be able to object to such changes prior to the engagement of the sub-processor(s).”
dpa · https://postmarkapp.com/dpa · confidence 0.55

Subprocessors (1)

NameCategoryLocationQuoted from
Amazon Web Serviceshyperscalerunstated
“Amazon Web Services (“AWS”) details All Personal Information is stored in secure AWS data centres. AWS regularly achieves third-party validation for thousands of global compliance requirements that th”
https://postmarkapp.com/dpa

Sources read

DocumentURLReadContent hashLedger
privacy_policyhttps://postmarkapp.com/privacy-policy2026-09-05b63abe0bc665b53f…seq 142
dpahttps://postmarkapp.com/dpa2026-09-05774621906bd7126e…seq 201
Ledger proof for this record.
seq 417 · key 2f898a895f05b7a0 · 2026-09-06T01:39:47.445Z
hash c543d25878111c76658b762831b9555d8201eb2253ef1d73af39286cc3f7b493
prev c124b8ac2194b7db02cc8c36e798d6f05be7d9ea82b172e2332c224d9c31de4e
payload c61b51bf1812e4f57b33b982ae70d7f8171f0d38be3c7d23e2228cad8d0df53c
signature ezrEnrYltEQ3P2x/60SQPx1xp747/FTMcMhldeAFzBibIYQo4v9mKvPXe+tb7vHFwuEcsvsXQXNMhLRjW5BCBg==
anchored 2026-09-06 at head seq 564 231a9dea0f93915bd7110e6786e00908325db3031635ace53c1023f850e0c49c
Fetch /v1/keys; for each ledger entry recompute sha256(prev_hash|kind|ref_id|payload_hash|created_at ISO) and verify the Ed25519 signature over that hash. Anchors are committed to git; compare the anchored head with the chain.